SlablineSlablineAll cards →

Baseball · PSA 10

1955 Topps Sandy Koufax #123

What a PSA 10 is worth — from real comparable sales.

Estimated value · PSA 10
$351,360
Based on 354 recent comparable sales.

Value by grade

How much the 1955 Topps Sandy Koufax #123 is worth at each grade.

GradeValue
Raw / Ungraded$781
Grade 8$37,482
Grade 9$292,800
Grade 9.5$322,080
Gem Mint 10$351,360

Own this card? Track its value automatically.

Add it to your free Slabline collection — live valuations, a 0–1000 protection score, and a broker-ready insurance schedule.

Start my collection →

Frequently asked

How much is a PSA 10 1955 Topps Sandy Koufax #123 worth?
A PSA 10 1955 Topps Sandy Koufax #123 is worth approximately $351,360, based on recent comparable sales. Card values fluctuate with the market.
What's the difference between a Grade 9 and a Gem Mint 10 Sandy Koufax?
For the 1955 Topps Sandy Koufax #123, a Grade 9 is worth about $292,800 while a Gem Mint 10 is about $351,360 — the grade gap is roughly $58,560.
How does Slabline value the Sandy Koufax card?
Slabline values each graded card from recent comparable sales of the exact card and grade, aggregated across eBay, Heritage, Goldin, and PWCC. More sales yield a tighter, higher-confidence estimate.

Values are informational estimates built from recent comparable sales — not a certified appraisal, insurance, or financial advice. Card values fluctuate; figures are a snapshot and may differ from a realized sale.