Front

Mark McGwire

Name: Mark McGwire
Brand: Baseball
SKU: cmqeteagxa14rz8148261wd6w

Base

Ultra R.B.I. Kings · #7RK · 1999

eBaySearch Sold comps

PSA 10 $

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PSA 10 Pop

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Gem Rate

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30D Change

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Market data as of Jun 14, 2026

Opportunity

56.0

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

56.0

8 weighted signals

Scarcity20%

Demand15%

Value Gap15%

Sales Vol.10%

Gem Rate10%

Momentum10%

Supply10%

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

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Raw Price

30D Raw

0.0%

90D Raw

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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

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PSA 3

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PSA 2

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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

PSA 10 Price

PSA 9 Price

PSA 10 Population

Total Population

Opportunity Score

Active Listings

Similar Opportunities

Same Player

No image

Mark McGwire #10 #10

1997 · Ultra Power Plus

Mark McGwire #220 #220

1999 · Topps

Mark McGwire #8 #8

1997 · Stadium Club Pure Gold

Mark McGwire #1 #1

2000 · Topps Opening Day

Mark McGwire #13 #13

1998 · Topps Tek

Mark McGwire #185 #185

1995 · SP

Same Set / Product

No image

Frank Thomas #21RK #21RK

1999 · Ultra R.B.I. Kings

Ken Griffey Jr #23RK #23RK

1999 · Ultra R.B.I. Kings

Barry Bonds #4RK #4RK

1999 · Ultra R.B.I. Kings

Rafael Palmeiro #1RK #1RK

1999 · Ultra R.B.I. Kings

Chipper Jones #10RK #10RK

1999 · Ultra R.B.I. Kings

Tino Martinez #28RK #28RK

1999 · Ultra R.B.I. Kings

Similar Price Range

No image

Adam Kennedy #353 #353

2000 · Pacific

Jarren Duran #3 #3

2020 · Topps Heritage Minor League 1971 Bazooka Numbered Test

Nolan Gorman #5 #5

2020 · Topps Heritage Minor League 1971 Bazooka Numbered Test

Andrew Vaughn #8 #8

2020 · Topps Heritage Minor League 1971 Bazooka Numbered Test

Jarred Kelenic #9 #9

2020 · Topps Heritage Minor League 1971 Bazooka Numbered Test

MacKenzie Gore #4 #4

2020 · Topps Heritage Minor League 1971 Bazooka Numbered Test

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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