Yugoslavia 1930s Flight Covers selection with the usual triangle flight cancels comprising [1] 1930 (Oct 4) Belgrade-Paris registered envelope, front and back triangle cancels (different); [2] 1933 (Aug 20) Lubljana-Zagreb, env and three PPCs of the plane (under construction, waiting for take-off, and in the air), all with pictorial cachet (dated Aug 21); [3] 1934 (Jun 15) Belgrade-Zagreb with illustrated 'HAIMOV' aero-philatelic envelope (returned to sender). (6) (Image1)

Estimate AU$40