Worldwide Air Post Stamps and Postal History, Philatelic Rarities of the World, Part 3

Soviet Union

The auction will start in __ days and __ hours

Start price: $600

Buyer's premium:

1964, Conquest of Space, souvenir sheet of six stamps of 10k multicolored on ordinary paper, light blue color (text at right – ”1964. Pochta USSR”) with double impression, full OG, NH, VF and rare unrecorded error, a common sheet is included for comparison, Raritan Stamps guarantee, Est. $1,000-$1,200, Scott #2930 var