Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 1

Canada - Air Post stamps

The auction will start in __ days and __ hours

Start price: $500

Buyer's premium:

1928, Airplane, Angels and Globe, 5c brown olive, top right corner sheet margin plate block of eight (4×2), imprint reads: ”OTTAWA No.A-1. 91 5-A”, imperforate vertically, gum soiling at left, still full OG, NH, VF and rare multiple, Unitrade C.v. CAD$3,225++, Est. $800-$1,000, Scott #C1b