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Fair-market-value figures are computed by Graded.Markets using observed sales data — how we price. Platform estimates and insured values are reported by the source marketplace. All figures provided as-is. Not investment advice.

1978 Topps #450 Tom Seaver (PSA 9 MINT) — Graded.Markets

1978 Topps #450 Tom Seaver (PSA 9 MINT)

251d901f79c9f683cf28f26adb1536cfe0c5287785c8c50ab58516c19dbb2fc0

For salePSA 9 MINTBaseballPolygon

1978 Topps #450 Tom Seaver (PSA 9 MINT)

Asking price$78.99USDCListed price updated 40 min ago

Buy on Courtyard

Valuation

Platform estimateCourtyard Est. Value · not our FMV

$57.10

Insured valuenot reported by platform

—

Details

Type: Graded card
Grading company: PSA
Grade: 9 MINT
Cert number: 127288940
Set: Topps
Card number: 450
Year: 1978
Language: English
Category: Sports Cards

Price history — asks observed by Graded.Markets

First seen Oct 4, 2026, 11:01 PM · last synced 40 min ago · listed Oct 4, 2026, 10:39 PM.

Segment

Baseball

Blockchain

Polygon

Platform

Courtyard

Platform estimate source

Courtyard Est. Value

See all 4 tracked copies of this item →

Oct 4, 2026, 11:01 PM$78.99