Spencer Knight Base #RG-SK · Upper Deck Black Diamond Rookie Gems (2021) | PopHunter

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Spencer Knight

Name: Spencer Knight
Brand: Hockey
SKU: cmqv7nhfw8h82z8tagq0729mr

Base

Upper Deck Black Diamond Rookie Gems · #RG-SK · 2021

Parallel:Pure Black Signature SpectrumBase

eBaySearch Sold comps

PSA 10 $

$38

PSA 10 Pop

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Gem Rate

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30D Change

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Market data as of Jun 25, 2026

Opportunity

45.8

Collector

Collector to unlockUpgrade

Investor

Investor to unlockUpgrade

Speculation

Investor to unlockUpgrade

See pricing to unlock Collector, Investor & Speculation scores

Market

PSA10 / PSA9

2.51x

Active Listings

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PSA10 Mkt Cap

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PSA 10 Price

$38

30D PSA10

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90D PSA10

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Raw Price

30D Raw

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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

Other Parallels

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Spencer Knight #RG-SK #RG-SK

Spectrum

2021 · Upper Deck Black Diamond Rookie Gems

PopHunter surfaces potentially undervalued scarcity and relative value signals. This is not financial or investment advice. Always do your own research before purchasing graded cards.

Spencer Knight

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

Alternative Population

Same Player

Same Set / Product

Similar Price Range

10 / Gem	$38	$49	$23	$23
9.5	—	$28	—	—
9	$15	—	—	—
8	$8	—	—	—