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Frank Thomas [Quadruple] #20 Baseball Cards 1999 Upper Deck Black Diamond trading card — raw and PSA graded price guide

Frank Thomas [Quadruple] #20 Price Guide

Baseball · Baseball Cards 1999 Upper Deck Black Diamond · Released 1999

Frank Thomas [Quadruple] #20 (Baseball Cards 1999 Upper Deck Black Diamond) is currently worth $218 raw (near mint) (as of Jul 11, 2026). Values come from the PriceCharting price guide and are refreshed weekly. Grading is the single biggest value lever — check the raw-to-PSA-10 gap below, then scan your copy to see if its centering makes the grade.

Current prices

Raw (ungraded)

Ungraded$218

Graded — grade ladder

No graded sales recorded yet.

Last updated 2026-07-11 · Source: the PriceCharting price guide

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Frank Thomas #320 1990 Bowman Tiffany card
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Raw $71.94PSA 10 $2,850
Frank Thomas [Refractor] #41 1997 Topps Chrome card
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Frank Thomas [Quadruple] #20 — frequently asked

How much is Frank Thomas [Quadruple] #20 (Baseball Cards 1999 Upper Deck Black Diamond) worth?

As of Jul 11, 2026, Frank Thomas [Quadruple] #20 (Baseball Cards 1999 Upper Deck Black Diamond): an ungraded near-mint copy sells for about $218. Values come from the PriceCharting price guide and are refreshed weekly.

Where do these Baseball card prices come from?

Prices are the PriceCharting price guide, refreshed weekly. Raw values reflect near-mint (NM) ungraded copies; graded values are per grading company and grade.

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