Ken Clay Base #434 · Topps (1979) | PopHunter

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Ken Clay

Name: Ken Clay
Brand: Baseball
SKU: cmqeol8ok2s68z814nn5j24tx

Base💎 18.2% gem

Topps · #434 · 1979

eBaySearch Sold comps

Estimated Market Value · PSA 10

Estimate

Collector to unlockUpgrade

Where this card's market sits right now — modeled from its real sales and the movement of comparable markets.

PSA 10 $

$104

PSA 10 Pop

Gem Rate

18.2%

30D Change

0.0%

Market data as of Jun 28, 2026

Opportunity

55.0

Collector

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Investor

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Speculation

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See pricing to unlock Collector, Investor & Speculation scores

Market

PSA10 / PSA9

3.01x

Active Listings

—

PSA10 Mkt Cap

$2,500

PSA 10 Price

$104

30D PSA10

0.0%

90D PSA10

+4.2%

Raw Price

30D Raw

0.0%

90D Raw

+3.1%

Prices by Grade & Grader

Population Reports

PSA Population

132 total

PSA 10

PSA 9

PSA 8

PSA 7

PSA 6

PSA 5

PSA 4

PSA 3

PSA 10 Price

PSA 9 Price

PSA 10 Population

Total Population

Opportunity Score

Active Listings

Recent Sales

Date	Grade	Price	Platform	Title
May 25, 2026	PSA 9	$35	ebay	1979 TOPPS #434 KEN CLAY PSA 9 MINT YANKEES #434
May 13, 2026	Ungraded	$3	ebay	1979 Topps Baseball Ken Clay Card # 434 #434
Apr 28, 2026	Ungraded	$1	ebay	1979 Topps Set KEN CLAY #434 NEW YORK YANKEES MINT 50/50 VENDING Raw
Apr 2, 2026	Ungraded	$2	ebay	1979 Topps - Ken Clay #434 #434
Apr 1, 2026	PSA 9	$50	ebay	1979 Ken Clay #434 Topps PSA 9 New York Yankees #434
Mar 31, 2026	Ungraded	$1	ebay	1979 TOPPS #434 KEN CLAY (NEW YORK YANKEES) BASEBALL CARD #434
Mar 20, 2026	Ungraded	$2	ebay	1979 Topps #434 Ken Clay MINT New York Yankees #434
Mar 3, 2026	Ungraded	$1	ebay	1979 Topps #434 Ken Clay - EX-MT
Feb 16, 2026	Ungraded	$1	ebay	1979 Topps #434 Ken Clay New York Yankees - Nice Card
Jan 31, 2026	Ungraded	$2	ebay	1979 Topps #434 Ken Clay New York Yankees NM+ #434
Jan 3, 2026	Ungraded	$1	ebay	1979 Topps #434 Ken Clay - EX
Dec 24, 2025	Ungraded	$2	ebay	1979 Topps Ken Clay #434 - New York Yankees #434
Nov 24, 2025	Ungraded	$2	ebay	1979 Topps Ken Clay Baseball Card. #434 New York Yankees Pitcher.... #434
Nov 20, 2025	Ungraded	$3	ebay	1979 Topps Ken Clay #434 Yankees NM/MT OR BETTER 002 #434
Nov 9, 2025	Ungraded	$1	ebay	1979 Topps #434 Ken Clay (MINT)
Oct 28, 2025	Ungraded	$1	ebay	1979 Topps #434 Ken Clay New York Yankees EX #434
Oct 22, 2025	Ungraded	$1	ebay	1979 Topps #434 Ken Clay - NM/MT+ Set Break! #434
Jul 27, 2025	Ungraded	$5	ebay	1979 Topps Baseball #434 Ken Clay NM/MT *d9 #434
Jul 23, 2025	PSA 9	$36	ebay	1979 Topps Baseball #434 Ken Clay PSA 9
Jul 13, 2025	Ungraded	$2	ebay	1979 TOPPS BASEBALL SET BREAK CARD # 434 Ken Clay NM/MT
Jun 1, 2025	PSA 9	$13	ebay	1979 TOPPS #434 KEN CLAY YANKEES PSA 9
May 18, 2025	PSA 9	$13	ebay	1979 TOPPS #434 KEN CLAY YANKEES PSA 9
Mar 7, 2025	PSA 9	$11	ebay	1979 Topps Baseball Ken Clay #434 PSA 9 NEW YORK YANKEES MINT #434
Feb 23, 2025	Ungraded	$2	ebay	1979 Topps #434 Ken Clay New York Yankees Ex+ #434
Feb 21, 2025	Ungraded	$1	ebay	1979 TOPPS BASEBALL SET BREAK 434 KEN CLAY NEW YORK YANKEES #434
Jan 23, 2025	Ungraded	$2	ebay	1979 Topps Set KEN CLAY #434 NEW YORK YANKEES - NM/MINT+ HIGH GRADE VENDING
Jan 3, 2025	Ungraded	$1	ebay	1979 Topps #434 Yankees Ken Clay Baseball Card #434
Jan 3, 2025	Ungraded	$1	ebay	1979 Topps New York Yankees Baseball Card #434 Ken Clay - EX-MT
Dec 7, 2024	Ungraded	$2	ebay	1979 Topps #434 Ken Clay NM/NM+ X3157445 #434
Dec 4, 2024	Ungraded	$1	ebay	1979 Topps #434 Ken Clay #434
Dec 1, 2024	Ungraded	$1	ebay	1979 Topps - #434 Ken Clay #434
Nov 24, 2024	Ungraded	$1	ebay	1979 Topps - #434 Ken Clay NM #434
Nov 16, 2024	Ungraded	$2	ebay	1979 Topps Ken Clay #434 - New York Yankees #434
Nov 14, 2024	Ungraded	$1	ebay	1979 TOPPS #434 KEN CLAY (NEW YORK YANKEES) BASEBALL CARD #434
Oct 7, 2024	PSA 10	$125	ebay	1979 Topps #434 Ken Clay New York Yankees PSA 10 GEM MINT
Jul 7, 2024	PSA 10	$89	ebay	1979 Topps #434 Ken Clay PSA 10 Gem Mint Yankees Pop 23 Set Break Rare!! #434
Jun 26, 2024	PSA 10	$100	ebay	1979 Topps #434 Ken Clay New York Yankees PSA 10 GEM MINT
May 10, 2024	PSA 10	$43	ebay	Topps 1979 Ken Clay #434 Psa 10 Gem Mint Yankees 81953285 #434
Apr 12, 2024	PSA 10	$56	ebay	1979 TOPPS #434 KEN CLAY YANKEES PSA 10 #434
Jan 8, 2024	PSA 9	$20	ebay	1979 Topps Ken Clay #434 PSA 9 Mint New York Yankees #434
Sep 12, 2023	PSA 9	$14	ebay	1979 Topps Ken Clay PSA 9 Mint #434 Baseball Card #434
Jun 10, 2023	PSA 9	$20	ebay	1979 Topps Ken Clay #434 PSA 9 MINT
May 24, 2023	PSA 9	$11	ebay	1979 Topps Ken Clay #434 - New York Yankees - PSA 9 Mint
Apr 8, 2022	PSA 9	$6	ebay	1979 Topps #434 Ken Clay New York Yankees PSA 9 MINT
Aug 26, 2021	PSA 10	$51	ebay	1979 Topps Baseball Ken Clay #434 PSA 10 💎 Yankees

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