Auction 90, Session 2 - Worldwide Rare Stamps and Postal History

Philatelic Exchange Tax Stamps

The auction will start in __ days and __ hours

Start price: $100

Buyer's premium:

1930, 4th issue, 1k/250r violet and 25k/300r green, two values with straight edge at one side, used on reverse of exchange cover from Moscow to Switzerland (franked by four stamps), tied by violet boxed official handstamp, Berne arrival marking, VF, Standard #PE15-16, Est. $120-$150