Air mail 500 din, block of four from upper left corner. Description: Air mail 500 din, block of four from upper left corner. Excellent quality. Air mail 500 din, block of four from upper left corner. Auction: Aukcija br. 57 - Filatelija i razglednice Catalog No: 771 Category: Trieste Zone A 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: Trieste Zone A ** 2393 2200 EUR ←123