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: $150

Buyer's premium:

1930, Mercury, 5c olive brown, bottom sheet margin block of six (2×3), bold color and nice centering, full OG, NH, VF, C.v. $600, Unitrade C.v. CAD $840++, Est. $200-$300, Sc. # C2