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Mark McGwire Base #137 · SP Authentic (2001) | PopHunter

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Front

Mark McGwire

Base

SP Authentic · #137 · 2001

eBaySearch Sold comps

PSA 10 $

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PSA 10 Pop

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Gem Rate

—

30D Change

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Market data as of Jun 14, 2026

Opportunity

56.0

Collector

Collector score — upgrade to unlock

88.8

Collector to unlockUpgrade

Investor

Investor score — upgrade to unlock

88.8

Investor to unlockUpgrade

Speculation

Speculation score — upgrade to unlock

88.8

Investor to unlockUpgrade

See pricing to unlock Collector, Investor & Speculation scores

How this score is calculated

Opportunity Score

56.0

8 weighted signals

Scarcity20%

50

Demand15%

50

Value Gap15%

70

Sales Vol.10%

50

Gem Rate10%

50

Momentum10%

30

Supply10%

50

Age10%

100

Score drivers: grade price gap (70) and vintage age (100). Raw population data is not yet available for this card. Signals are mixed — no strong edge indicated at current prices.

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

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90D PSA10

—

Raw Price

$2

30D Raw

0.0%

90D Raw

—

Prices by Grade & Grader

No pricing data available.

Population Reports

PSA Population

PSA 10

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PSA 9

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PSA 8

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PSA 7

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PSA 6

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PSA 5

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PSA 4

—

PSA 3

—

PSA 2

PSA 10 Price

PSA 9 Price

PSA 10 Population

Total Population

Opportunity Score

Active Listings

Similar Opportunities

Same Player

Mark McGwire #92 #92

2000 · SP Authentic

Score factors

Mark McGwire #51 #51

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.

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PSA 1

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Alternative Population

No BGS or CGC data yet.

PSA Full Grade Breakdown (1–10)

No PSA population data yet

SP Limited

2000 · SP Authentic

PSA10—

Pop—

Gem Rate—

Opportunity

56

Score factors

Mark McGwire #51 #51

2000 · SP Authentic

Score factors

Mark McGwire #T87C-80 #T87C-80

2022 · Topps Silver Pack 1987 Chrome

Score factors

Mark McGwire #185 #185

1995 · SP

Score factors

Mark McGwire #116 #116

2002 · Upper Deck Ovation

Score factors

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Mike Piazza #81 #81

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Alex Rodriguez #79 #79

2004 · SP Authentic

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Nolan Ryan #158 #158

2004 · SP Authentic

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Nolan Ryan #160 #160

2004 · SP Authentic

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Ichiro #12

Ichiro #12 #12

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Jim Thome #10 #10

2002 · SP Authentic

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Serial Numbere…

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2020 · Topps Heritage Minor League 1971 Bazooka Numbered Test

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Tim Tebow #18 #18

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Riley Greene #15 #15

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