Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1
Lot 22:
Description
1927, Patricia Airways and Exploration Co., Ltd, red ascending surcharge ”Haileybury and Rouyn” 10c over (25c) green and violet on yellow paper, vertical rouletted pair used on cover in Rouyn together with Confederation 2c green, tied by ”DE 12.27” ds, VF, V. G. Greene certificate, Unitrade C.v. CAD325 for a single stamp used on cover, Est. $250-$300, Scott #CL24i
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