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Listings from Collector Crypt, Courtyard, Phygitals, Beezie, and MNSTR. Purchases are completed on the source marketplace.

Fair-market-value figures are computed by Graded.Markets from licensed market data, calibrated against observed sales and independently corroborated nightly — how we price. Platform estimates and insured values are reported by the source marketplace. All figures provided as-is. Not investment advice.

1970

Sub-Mariner · #31

All tracked copies

Copies are matched across platforms by set, card number, and language (registry v1 — exact normalized matching). FMV figures combine licensed market data calibrated against observed sales, provided as-is.

Sub-Mariner #31 — Graded.Markets

0 copies for sale

Sub-Mariner #31 CGC 7.5 Off-white to White Pages (Marvel Comics, 11/70) - Universal

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Not listed

Viewon Courtyard

Sub-Mariner #31 CGC 7.5 Off-white to White Pages (Marvel Comics, 11/70) - Universal

CGC 7.5 VF-

$34.00USDC

Est. $35.00Ins. —

CourtyardPolygon