Auction 90, Session 1 - Worldwide Rare Stamps and Postal History

British Commonwealth - Canada - Air Post Semi-Official issues

The auction will start in __ days and __ hours

Start price: $150

Buyer's premium:

1927, Yukon Airways and Exploration Co. Ltd, reverse die proof of 25c in black, printed on thick card, size 99x76mm, nice and fresh, no gum as produced, NH, VF, C.v. CAD$450, Est. $200-$250, Sc. #CL42