George Brett 1978 Topps Baseball #100
Topps Baseball 1978 · #100 · updated 2026-11-04
| Price | 30d | 1y | |
|---|---|---|---|
| PSA 7 most traded | $28.19 | ▲13% | ▲57% |
| PSA 10 | $22,570 | — | — |
| PSA 9 | $1,000 | — | ▲133% |
| Baseball index | — | ▼5% | ▲33% |
| George Brett index | — | ▲1% | ▲29% |
| Topps Baseball set index | — | ▲1% | ▲29% |
| Grade | Price | 30d | 1y |
|---|---|---|---|
| PSA 10 | $22,570 | 0 | — |
| PSA 9 | $1,000 | 0 | ▲ 133% |
| PSA 8.5 | $225 | 0 | — |
| PSA 8 | $70.00 | 0 | ▲ 15% |
| PSA 7.5 | $17.00 | 0 | — |
| PSA 7 | $28.19 | 2 | ▲ 57% |
| PSA 6 | $15.00 | 0 | ▲ 6% |
| PSA 5 | $14.00 | 0 | ▲ 17% |
| PSA 4 | $17.59 | 0 | — |
| PSA 3 | $12.26 | 0 | — |
| PSA 2 | $20.00 | 0 | — |
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About George Brett 1978 Topps Baseball #100
George Brett 1978 Topps Baseball #100 is a 1978 Pokémon card from Topps Baseball, number 100. Right now a PSA 10 sells for about $22,570; a PSA 9 sells for about $1,000; a PSA 8 sells for about $70.00, each the median of the newest three recorded sales inside 30 days.
We hold 781 recorded sales of this card going back to 2020-07, 2 of them in the last 30 days. By venue: eBay 93%, Fanatics 5%, Goldin 1%. The most traded grade over the last 90 days is PSA 7, up 57% on a year ago.
Over the same year, Baseball cards up 33%; George Brett cards up 29%; Topps Baseball set cards up 29%, so this card has outpaced the market it belongs to. The chart above plots those indices against the card.
PSA population by grade: PSA 9 0, PSA 8 1,108, PSA 7 751. Population as of 2026-10-25, from PSA's cert records.
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George Brett 1978 Topps Baseball #100 questions
How much is a George Brett 1978 Topps Baseball #100 worth?
About $28.19 in PSA 7, the most traded grade; a PSA 10 is about $22,570. Prices are the median of the newest three recorded sales inside 30 days.
How much is a PSA 10 George Brett 1978 Topps Baseball #100?
About $22,570.
Is George Brett 1978 Topps Baseball #100 going up in value?
In PSA 7 it is up 57% over the last year and up 13% over 30 days. Baseball up 33% over the same year. George Brett up 29% over the same year. Topps Baseball up 29% over the same year.
What is the PSA 10 premium on George Brett 1978 Topps Baseball #100?
A PSA 10 sells for 22.6x a PSA 9 right now ($22,570 against $1,000).
Where can I buy a George Brett 1978 Topps Baseball #100?
The Deals section on this page lists every auction of this card ending inside 24 hours and every Buy It Now the deal finder is pricing, each against the comp for its grade. Tap one to open it on eBay, or open the deal finder for every card.
What is the PSA population of George Brett 1978 Topps Baseball #100?
PSA 9: 0; PSA 8: 1,108; PSA 7: 751; PSA 6: 460; PSA 5: 284; PSA 3: 95. As of 2026-10-25.