Bidspirit auction | PGX 6.0 Sub-Mariner Marvel #1

PGX 6.0 Sub-Mariner Marvel #1 1968 - 6.0 PGX Sub-Mariner #1 Fine 6.0. Cream to Off-white pages. Marvel 5/68. John Buscema art. Origin of Sub-Mariner. Graded 5/06