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Front

Mark McGwire

Base

Topps Project 2020 · #60 · 2020

eBaySearch Sold comps

PSA 10 $

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PSA 10 Pop

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Gem Rate

—

30D Change

—

Market data as of Jun 14, 2026

Opportunity

45.8

Collector

Collector to unlockUpgrade

Investor

Investor to unlockUpgrade

Speculation

Investor to unlockUpgrade

See pricing to unlock Collector, Investor & Speculation scores

How this score is calculated

Opportunity Score

45.8

8 weighted signals

Scarcity20%

50

Demand15%

50

Value Gap15%

55

Sales Vol.10%

50

Gem Rate10%

50

Momentum10%

30

Supply10%

50

Age10%

20

BGS 9.5 population data is not yet available for this card. Current metrics suggest lower relative priority versus comparable cards.

Market

PSA10 / PSA9

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Active Listings

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PSA10 Mkt Cap

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PSA 10 Price

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30D PSA10

—

90D PSA10

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Raw Price

$10

30D Raw

0.0%

90D Raw

—

Prices by Grade & Grader

Grade	PSA	BGS
9.5	—	$27
7	$10	—

Population Reports

PSA Population

PSA 10

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PSA 9

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PSA 8

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PSA 7

—

PSA 6

—

PSA 5

—

PSA 4

—

PSA 3

—

PSA 2

—

PSA 1

—

Alternative Population

No BGS or CGC data yet.

PSA Full Grade Breakdown (1–10)

No PSA population data yet

PSA 10 Price

PSA 9 Price

PSA 10 Population

Total Population

Opportunity Score

Active Listings

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Mark McGwire #85C-30 #85C-30

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Mark McGwire #CBA-MM

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Mark McGwire #86BC-76 #86BC-76

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PopHunter surfaces potentially undervalued scarcity and relative value signals. This is not financial or investment advice. Always do your own research before buying, selling, or grading cards.