Sports Card Bubble: Junk Wax to the 2021 Boom

Key Takeaways

• The junk wax era buried collectors in overproduced cards now worth pennies each.
• The 1994 baseball strike helped expose that oversupply and emptied card shops.
• The 2020-2021 boom set seven-figure records and overwhelmed PSA grading capacity.
• Genuine scarcity holds value; manufactured scarcity collapses once supply is understood.

Background

Baseball cards started as a marketing giveaway, tucked into tobacco and gum packs to sell the product around them. For most of the twentieth century they were a children's hobby, not an asset class, and kids stuck them in bicycle spokes or threw them out. That casual destruction is exactly why a few pre-1980 cards became valuable: almost no one kept them in good condition.

By the mid-1980s the math had flipped in collectors' minds. People had watched a 1952 Topps Mickey Mantle climb in price and concluded that any star rookie card might do the same. The hobby went mainstream, card shops opened in strip malls, and price guides told buyers their shoeboxes were appreciating assets.

Card makers noticed the demand and answered it at full volume. Topps, Donruss, Fleer, Score, and a 1989 newcomer called Upper Deck competed to print more sets, more inserts, and more product, according to a junk-era history compiled by figoca. Families bought cases of wax packs not to enjoy them but to store them, convinced the cards would fund a college tuition someday.

The flaw was hiding in plain sight. The thing that made old cards rare, their scarcity, was being destroyed by the truckload while everyone celebrated. This is the setup for the first sports card bubble, the one collectors now call the junk wax era.

What Happened

The story splits into two acts separated by almost thirty years.

Act one, the junk wax era (roughly 1987-1994). Production reached absurd levels. All Vintage Cards reports that by 1986 Topps was making over one billion cards a year, and that its 1987 set ran to roughly two billion cards, about 2.5 million copies of each of the 792 cards in the set. Donruss and Fleer started smaller but caught up. Upper Deck broke into the market in 1989 with premium foil packs and the Ken Griffey Jr. rookie card, of which an estimated two million were produced, per the documentary cited by All Vintage Cards.

• 1987-1989: Topps, Donruss, Fleer, and then Upper Deck flood the market with cards marketed partly as investments.
• Early 1990s: Collectors keep buying, but every common card exists in the millions, so almost nothing becomes scarce.
• 1994: The August Major League Baseball strike halts the season and the World Series, bringing collecting to a standstill and triggering a downturn, per All Vintage Cards.
• Mid-1990s: Buyers realize their "investments" are not appreciating. Card shops close, and millions leave the hobby holding boxes of near-worthless cardboard.

Act two, the pandemic boom (2020-2022). With live sports paused and people stuck at home, the hobby roared back as a speculative and alternative asset. eBay reported that U.S. trading card sales grew 142 percent in 2020 over 2019, with Pokemon up 574 percent and basketball up 373 percent. Records fell one after another.

• August 2020: A 2009 Bowman Chrome Mike Trout superfractor autograph, a one-of-one, sells through Goldin Auctions for about $3.93 million, the highest-priced sports card to that point.
• January 2021: A 1952 Topps Mickey Mantle graded Mint 9 sells for $5.2 million, breaking the all-time trading card record.
• March 2021: PSA, the dominant grading service, suspends most of its services after demand overwhelms it, per ESPN.
• April 2022: A PSA 10 Pikachu Illustrator Pokemon card sells privately for $5,275,000, a Guinness world record.
• August 2022: A T206 Honus Wagner sells privately through Goldin for a record $7.25 million, then a 1952 Mantle smashes that at $12.6 million.
• 2022-2023: Prices roll over and the boom cools.

Why It Happened

Both bubbles ran on the same engine, and comparing them is the lesson. The difference between them is the difference between scarcity that is real and scarcity that is manufactured.

The junk wax bust came from oversupply marketed as scarcity. A baseball card has no intrinsic value beyond a few cents of cardboard and ink. Its price rests entirely on rarity and demand. When makers printed two billion cards in a single year, rarity vanished, even though the cards were sold with the language of collectible investments. figoca puts it plainly: "Everyone had the same cards, and rarity drives value, not nostalgia alone." Once buyers understood the supply, the price collapsed toward the cost of the materials.

The 1994 strike was the trigger, not the root cause. The oversupply was already there. The strike simply broke the mood, cooling interest at the moment the hobby could least afford it and exposing the glut. New collectors, disappointed by endless common cards and a stalled "investment," walked away, and shops shut down.

The 2020-2021 boom had a different driver but a familiar shape. Stimulus money, time at home, and the absence of live sports pushed people toward cards as entertainment and as a trade. Money also chased the genuinely scarce pieces, the vintage and one-of-one cards that cannot be reprinted, which is why a single Mantle or Wagner sold for millions. At the same time, fresh modern product and speculative flipping pushed up cards that were not scarce at all.

Two new pieces of plumbing amplified the modern cycle. Grading by services like PSA turned a subjective condition into a number, and a PSA 10 could trade at a large multiple of a raw copy, which pulled millions of cards into the submission pipeline and created a years-long backlog. And easy online markets, fractional-ownership platforms, and livestream "breakers" who open packs on camera made cards faster to buy, sell, and gamble on than ever. The same low friction that fed the boom let prices fall just as quickly when sentiment turned.

By the Numbers

• Junk wax production: by 1986, Topps made over one billion cards a year; its 1987 set ran to roughly two billion cards, about 2.5 million of each card. (All Vintage Cards)
• 1989 Upper Deck Griffey rookie: an estimated two million produced, per the cited documentary. Treat as an estimate. (All Vintage Cards)
• Junk wax values today: the vast majority of cards from that era are now worth only a few cents each. (figoca)
• eBay 2020 boom: U.S. trading card sales up 142 percent year over year; Pokemon up 574 percent; basketball up 373 percent. (Sports Collectors Daily)
• Mike Trout, August 2020: 2009 Bowman Chrome superfractor 1-of-1 sold for about $3.93 million via Goldin, then the highest-priced sports card. (CBS Sports; widely reported)
• Mickey Mantle, January 2021: 1952 Topps, Mint 9, sold for $5.2 million. (CBS Sports)
• Pikachu Illustrator, April 2022: PSA 10 sold privately for $5,275,000; only 39 were ever distributed (1998 contest). (Guinness World Records)
• Honus Wagner, August 2022: T206 sold privately through Goldin for a record $7.25 million. (Sports Illustrated)
• Mickey Mantle, August 2022: 1952 Topps, SGC Mint+ 9.5, sold for $12.6 million, a record for any sports collectible. (widely reported via Heritage Auctions)
• PSA backlog, 2021: roughly 10 million cards, with PSA receiving about 500,000 cards every five days before it paused services. (ESPN)
• The cooling, 2022-2023: the Card Ladder CL50 index of prominent cards fell about 23 percent in 2022 and another 9 percent in 2023. Treat index figures as one provider's estimate. (Sports Collectors Digest)

A note on the record sales: these are single, exceptional cards in top condition, not the typical card in anyone's collection. The Mantle, Wagner, and Pikachu prices describe the very top of the market. They tell you nothing about what an ordinary 1989 common card is worth, which is close to nothing.

Aftermath

The junk wax bust produced no lawsuits or bankruptcies on a financial-crisis scale, because the losses landed on households and hobby shops rather than banks. The damage was quiet and widespread: closed card stores, abandoned collections, and a lasting reputation for late-1980s and early-1990s cards as the cards that never appreciated. That oversupply is permanent. Those cards are still common, and still cheap, today.

The modern cooling was sharper in price but did not erase the hobby. After the 2022 peaks, the index figures cited by Sports Collectors Digest show prominent cards falling roughly 23 percent in 2022 and another 9 percent in 2023, and high-end six-figure auction volume fell well off its peak. Many speculative modern cards gave back a large share of their pandemic gains, while genuinely scarce vintage cards held up better.

Grading and infrastructure changed for good. PSA expanded its operations and staff during the boom and still could not keep up, and grading has stayed central to how cards trade. Major auction houses now feature premium cards, and fractional-ownership platforms let small investors buy shares of a single million-dollar card. None of this is regulated like a security, because a trading card is not a security, so the protections that come with stocks and bonds do not apply.

The two episodes together became a standard teaching case. They get cited whenever a new "investment grade" collectible appears, alongside Beanie Babies and speculative comic books, as proof that the word "collectible" and the word "investment" are not the same thing.

Lessons for Investors

1. Manufactured scarcity is not real scarcity. A 1952 Mantle is rare because almost no one saved them in good condition, and no one can print more. A 1989 common card was rare in nobody's eyes, because makers printed it by the million. When a seller controls the supply and can expand it, "limited edition" is a marketing phrase, not a durable reason for value.

2. An asset with no cash flow is priced only by the next buyer. A card pays no dividend, rent, or interest. Its entire value is what someone else will pay later. That greater-fool structure can run for years and then reprice in months, as the 2022 cooling showed. If your only exit is selling to a more excited buyer, you are betting on the crowd, not on fundamentals.

3. Liquidity is best exactly when you do not need it. Online markets, breakers, and fractional platforms made cards easy to buy during the boom. The same low friction let prices fall fast when sentiment turned, and at the high end the deep-pocketed buyers thinned out. A market that is quick to enter is usually quick to exit, and the bid can disappear in a downturn.

4. Condition and authentication are the whole ballgame in collectibles. The difference between a card worth $5,000 and the same card worth $500,000 can be a single grading point. That makes grading powerful and also a cost, a queue, and a point of failure. If you cannot evaluate condition yourself, you are trusting a third party for most of the value.

5. Headlines describe the top of the market, not your shoebox. The seven-figure Mantle and Wagner sales are the rarest cards on Earth in top grades. They do not imply that ordinary cards are appreciating. Confusing the record-setting outlier with the typical item is how families ended up with garages full of cardboard worth pennies.

Frequently Asked Questions

What was the sports card bubble in simple terms? The sports card bubble was two booms where people treated trading cards as investments, the late-1980s junk wax era and the 2020-2021 pandemic boom. Both saw prices surge, then fall once buyers grasped how much supply existed or sentiment cooled.

Why did the sports card bubble happen? In the junk wax era, makers like Topps, Fleer, Donruss, and Upper Deck overproduced cards while marketing them as scarce investments, so almost nothing became rare. In 2020-2021, stimulus money, time at home, no live sports, easy online trading, and grading drove a fresh speculative surge.

How much money was lost in the sports card bubble? There is no single tidy loss figure, because the damage fell on households and hobby shops, not institutions. Most junk wax cards are now worth only pennies, and after 2022 one index of prominent cards fell about 23 percent in 2022 and another 9 percent in 2023.

Could the sports card bubble happen again today? Yes, and similar collectible manias recur with cards, sneakers, and digital tokens. Cards are not regulated like securities, so little law changed, and the drivers of manufactured scarcity, easy trading, and fear of missing out are still present.

What is the main lesson from the sports card bubble? Real scarcity, like a vintage card no one can reprint, can hold value, while manufactured scarcity collapses once supply is understood. An object that produces no income is worth only what the next buyer will pay.

Sources

1. All Vintage Cards. The Rise and Fall of the Junk Wax Era. https://allvintagecards.com/history-of-the-junk-wax-era/
2. figoca. What Was the Junk Wax Era? A Look Back at the Craziest Time in Sports Card History. https://figoca.com/blog/learn/what-was-the-junk-wax-era
3. ESPN. Hobby searches for answers as PSA grading services halts card submissions. https://www.espn.com/mlb/story/_/id/31244566/hobby-searches-answers-psa-grading-services-halts-card-submissions
4. Sports Collectors Daily. eBay: U.S. Sports Card Sales Grew 142% in 2020. https://www.sportscollectorsdaily.com/ebay-sports-card-sales-report-2020/
5. Sports Illustrated. Honus Wagner T-206 Card Sells for Record $7.25 Million. https://www.si.com/mlb/2022/08/04/honus-wagner-t206-card-sells-record-price
6. Guinness World Records. The $5 million Pokemon card: Inside Logan Paul's record-breaking trade. https://www.guinnessworldrecords.com/news/2022/7/the-5-million-pokemon-card-inside-logan-pauls-record-breaking-trade-708581
7. CBS Sports. Mickey Mantle baseball card sells for $5.2M, breaking all-time record for trading cards. https://www.cbssports.com/mlb/news/mickey-mantle-baseball-card-sells-for-5-2m-breaking-all-time-record-for-trading-cards
8. Sports Collectors Digest. Market Analysis: What does the decline in sports card values mean for the hobby and The National? https://sportscollectorsdigest.com/news/sports-card-market-values-national-sports-collectors-convention

Disclaimer

This article is educational content only and is not financial advice. Nothing here is a recommendation to buy, sell, or hold any security. Consult a licensed advisor before making investment decisions.