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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 7 NM) — Graded.Markets

1978 Topps #450 Tom Seaver (PSA 7 NM)

77bd1ced30fd61e97234af24a905415a00a7d6b0b9a4d3cd860a341c970a5361

Not listedPSA 7 NMBaseballPolygon

1978 Topps #450 Tom Seaver (PSA 7 NM)

StatusNot currently listed — delisted Aug 23, 2026, 3:26 PM

View on Courtyard

Valuation

Platform estimateCourtyard Est. Value · not our FMV

$19.00

Insured valuenot reported by platform

—

Details

Type: Graded card
Grading company: PSA
Grade: 7 NM
Cert number: 139576262
Set: Topps
Card number: 450
Year: 1978
Language: English
Category: Sports Cards

Price history — asks observed by Graded.Markets

First seen Aug 20, 2026, 8:13 PM · last synced 51 d ago · listed Aug 23, 2026, 2:20 PM.

Segment

Baseball

Blockchain

Polygon

Platform

Courtyard

Platform estimate source

Courtyard Est. Value

See all 4 tracked copies of this item →

Aug 22, 2026, 10:31 PM−2.5%$18.05
Aug 22, 2026, 2:49 PM−2.5%$18.52
Aug 20, 2026, 8:13 PM$19.00