John Costello Base #184 · Topps Tiffany (1989) | PopHunter

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John Costello

Name: John Costello
Brand: Baseball
SKU: cmqeq58ho527rz814qp4x7v4z

BaseRC

Topps Tiffany · #184 · 1989

eBaySearch Sold comps

PSA 10 $

$18

PSA 10 Pop

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Gem Rate

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30D Change

0.0%

Market data as of Jun 14, 2026

Opportunity

47.8

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

47.8

8 weighted signals

Scarcity20%

Demand15%

Value Gap15%

Sales Vol.10%

Gem Rate10%

Momentum10%

Supply10%

Age10%

100

Score drivers: vintage age (100). PSA 10 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

$18

30D PSA10

0.0%

90D PSA10

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Raw Price

30D Raw

0.0%

90D Raw

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Prices by Grade & Grader

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

PSA 10 Price

PSA 9 Price

PSA 10 Population

Total Population

Opportunity Score

Active Listings

Similar Opportunities

Same Player

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John Costello #184 #184

1989 · Topps

John Costello #625 #625

1989 · Upper Deck

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.