Canada Sc #O244 (1938) 50c Vancouver Harbour OHMS Perfin Block Mint H/NH. 50c Vancouver Harbour, four-hole perforated O. Block of four, two stamps hinged, two never hinged, centered very fine. Member of the Canadian Stamp Dealers Association.Are the responsibility of the purchaser. We're proud to offer collectors an attractive selection of fine and rare stamps, postal history, and ephemera. We seek out quality material for our clients. _gsrx_vers_859 GS 7.0.21 (859). The item "Canada Sc #O244 (1938) 50c Vancouver Harbour OHMS Perfin Block Mint H/NH" is in sale since Friday, January 29, 2021. This item is in the category "Stamps\Canada\Back of Book". The seller is "christophergreen" and is located in Ottawa, Ontario. This item can be shipped worldwide.