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Brian Calhoun

Name: Brian Calhoun
Brand: American Football
SKU: cmqv485p14wahz8ta7med1op9

Base

SP Authentic · #229 · 2006

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 25, 2026

Opportunity

54.5

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

54.5

8 weighted signals

Scarcity20%

50

Demand15%

50

Value Gap15%

70

Sales Vol.10%

50

Gem Rate10%

50

Momentum10%

30

Supply10%

50

Age10%

85

Score drivers: grade price gap (70) and vintage age (85). Raw population data is not yet available for this card. Limited data coverage — this score is based on incomplete signals and should be treated as directional only. 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

$1

30D Raw

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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

—

PSA 2

PSA 10 Price

PSA 9 Price

PSA 10 Population

Total Population

Brian Calhoun

Market

Prices by Grade & Grader

Population Reports

PSA Population

PSA 10 Price

PSA 9 Price

PSA 10 Population

Total Population

Opportunity Score

Active Listings

Similar Opportunities

Other Parallels

Same Player

Alternative Population

Same Set / Product

Similar Price Range