Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 2

Imperial Russia

The auction will start in __ days and __ hours

Start price: $150

Buyer's premium:

1912-17, 15k brown lilac and blue, vertical varnish lines, bottom right corner margin block of nine, inverted offset of blue center on reverse, fresh quality, full OG, NH, VF, Est. $300-$400, Scott #81 var