Worldwide Air Post Stamps and Postal History, One Man Collection of Tannu Tuva, Philatelic Rarities of the World, Part 1

Canada - King George VI issues

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Start price: $300

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Description

1937, Mufti issue, large die proof of 5c in blue on India paper placed on sunken die card, imprint at bottom reads: ”H.M. King George VI. X-G-634. Canadian Banknote Company, Limited”, proof size 83x87mm, fresh, VF and rare, Minuse and Pratt #235P1, NSSC 196dp1, C.v. US$1,200, Est. $600-$700, Scott #235