Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2
Lot 1174:
Description
1925, inverted red overprint on 1pa lilac brown, serrate roulette 13, bottom right corner sheet margin plate No. N-9-G, block of ten (2×5), positions 29- 30/49-50, unused, no gum, VF and scarce multiple, P. Holcombe certificate, C.v.$825, SG #66a, C.v. £1,000++, Est. $400-$500, Scott #L55a
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