This 1949-1950 Block of 41c green Scott #O1 Official overprinted "OHMS" in black War Issue Stamps from Don's Classic Stamps is in Very Fine (VF) Mint Never Hinged (MNH) condition. The Unitrade Specialized Catalogue of Canadian Stamps, which follows the Scott numbering system format in its listings, shows a Catalogue value of $24.00 (in Canadian currency) for this block. (Item #11,821)
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