Mark McGwire 1987 Topps Baseball #366
Topps Baseball 1987 · #366 · updated 2026-11-03
| Price | 30d | 1y | |
|---|---|---|---|
| PSA 9 most traded | $16.00 | ▼20% | ▼11% |
| PSA 10 | $244 | ▲36% | ▲101% |
| Baseball index | — | ▼3% | ▲59% |
| Mark McGwire index | — | ▲5% | ▲28% |
| Topps Baseball set index | — | ▲1% | ▲30% |
| Grade | Price | 30d | 1y |
|---|---|---|---|
| PSA 10 | $244 | 14 | ▲ 101% |
| PSA 9 | $16.00 | 22 | ▼ 11% |
| PSA 8 | $10.50 | 0 | — |
| PSA 7 | $16.00 | 0 | ▲ 178% |
| PSA 6 | $7.00 | 0 | ▼ 44% |
| PSA 5 | $7.65 | 0 | ▲ 28% |
| PSA 4 | $8.50 | 0 | — |
| PSA 3.5 | $12.50 | 0 | — |
| PSA 3 | $7.50 | 0 | — |
| PSA 2 | $14.95 | 0 | — |
| PSA 1 | $132 | 0 | — |
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About Mark McGwire 1987 Topps Baseball #366
Mark McGwire 1987 Topps Baseball #366 is a 1987 Pokémon card from Topps Baseball, number 366. Right now a PSA 10 sells for about $244; a PSA 9 sells for about $16.00; a PSA 8 sells for about $10.50, each the median of the newest three recorded sales inside 30 days.
We hold 2,766 recorded sales of this card going back to 2019-07, 36 of them in the last 30 days. By venue: eBay 97%, Fanatics 3%, Goldin 0%. The most traded grade over the last 90 days is PSA 9, down 11% on a year ago.
Over the same year, Baseball cards up 59%; Mark McGwire cards up 28%; Topps Baseball set cards up 30%, so this card has trailed the market it belongs to. The chart above plots those indices against the card.
PSA has graded 2,091 copies at PSA 10 and PSA 9 7,643, PSA 8 8,577, PSA 6 651. Population as of 2026-11-03, from PSA's cert records.
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Mark McGwire 1987 Topps Baseball #366 questions
How much is a Mark McGwire 1987 Topps Baseball #366 worth?
About $16.00 in PSA 9, the most traded grade; a PSA 10 is about $244. Prices are the median of the newest three recorded sales inside 30 days.
How much is a PSA 10 Mark McGwire 1987 Topps Baseball #366?
About $244, 14 PSA 10 sales in the last 30 days, up 101% on a year ago. PSA has graded 2,091 copies at 10.
Is Mark McGwire 1987 Topps Baseball #366 going up in value?
In PSA 9 it is down 11% over the last year and down 20% over 30 days. Baseball up 59% over the same year. Mark McGwire up 28% over the same year. Topps Baseball up 30% over the same year.
What is the PSA 10 premium on Mark McGwire 1987 Topps Baseball #366?
A PSA 10 sells for 15.3x a PSA 9 right now ($244 against $16.00).
Where can I buy a Mark McGwire 1987 Topps Baseball #366?
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 Mark McGwire 1987 Topps Baseball #366?
PSA 10: 2,091; PSA 9: 7,643; PSA 8: 8,577; PSA 6: 651; PSA 5: 420. As of 2026-11-03.