Worldwide Stamps and Covers

1931-32 balance of a specialized collection with 98+ covers, mostly first flights with Airmail franking, various printings, including the provisional overprints, occasional varieties, singles and pairs, also blocks of four, usually from Windhoek to Otjuwarongo, Grootfontein, Tsumeb, Rostock, etc., plus stamps off cover with different pmks, additional later flights, fine and useful lot
Estimate: $1000