Two postcards sent by First flight of aircraft from Zagreb to Vienna 31.03. 1930. Description: Two postcards sent by First flight of aircraft from Zagreb to Vienna 31.03. 1930. Good quality. Arrival and commemorative cancels for the occasion of First flight. Two postcards sent by First flight of aircraft from Zagreb to Vienna 31.03. 1930. Auction: Aukcija br. 57 - Filatelija i razglednice Catalog No: 582 Category: Kingdom of Yugoslavia Quality: ✉ Current offer is at 30EUR. In order to place your bid your offer needs to be at least 30EUR or higher. Please place your bid: Other items from the category: Kingdom of Yugoslavia ✉ 608 16 EUR ✉ 609 16 EUR ✉ 610 16 EUR ✉ 611 16 EUR ✉ 612 16 EUR ✉ 613 25 EUR ✉ 614 25 EUR 615 85 EUR 616 40 EUR 617 90 EUR ←12345