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Danny Duffy Base #634 · Topps Chrome Sapphire (2017) | PopHunter

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Front

Danny Duffy

Base

Topps Chrome Sapphire · #634 · 2017

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

48.0

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

48.0

8 weighted signals

Scarcity20%

50

Demand15%

50

Value Gap15%

70

Sales Vol.10%

50

Gem Rate10%

50

Momentum10%

30

Supply10%

50

Age10%

20

Score drivers: grade price gap (70). Raw 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

—

PSA 10 Price

—

30D PSA10

—

90D PSA10

—

Raw Price

$3

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

—

PSA 8

—

PSA 7

—

PSA 6

—

PSA 5

—

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

Danny Duffy #87T-19 #87T-19

2017 · Topps Chrome 1987

Score factors

Danny Duffy #87T-19 #87T-19

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

Red Refractor

2017 · Topps Chrome 1987

PSA10—

Pop—

Gem Rate—

Opportunity

48

Score factors

Danny Duffy #87T-19 #87T-19

Orange Refract…

2017 · Topps Chrome 1987

Score factors

Danny Duffy #105 #105

2017 · Topps Opening Day

Score factors

Danny Duffy #174 #174

2017 · Topps Allen & Ginter

Score factors

Danny Duffy #GQA-DDU #GQA-DDU

2017 · Topps Gypsy Queen Autographs

Score factors

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Score factors

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