Letter sent by registered airmail from Zagreb to Vienna 29.07. 1938 . Description: Letter sent by registered airmail from Zagreb to Vienna 29.07. 1938. Opening during customs control of content of letter (if it contains money). Good quality. Letter sent by registered airmail from Zagreb to Vienna 29.07. 1938 . Auction: Aukcija br. 48 - Filatelija i razglednice Catalog No: 850 Category: Kingdom of Yugoslavia Quality: ✉ Current offer is at 20EUR. In order to place your bid your offer needs to be at least 20EUR or higher. Please place your bid: Other items from the category: Kingdom of Yugoslavia 889 20 EUR ✉ 890 30 EUR ←1234