Air Mail Letter: BELGRADE - STANLEYVILLE, BELGIAN CONGO 10.03.1939. Description: Air Mail Letter: BELGRADE - STANLEYVILLE, BELGIAN CONGO 10.03.1939. Correctly franked letter (Din. 4.00 foreign letter, Din. 12.00 air surcharge. Stanleyville arrival postmark on reverse. A very rare destination Air Mail Letter: BELGRADE - STANLEYVILLE, BELGIAN CONGO 10.03.1939. Auction: Aukcija br. 57 - Filatelija i razglednice Catalog No: 580 Category: Kingdom of Yugoslavia Quality: ✉ Current offer is at 120EUR. In order to place your bid your offer needs to be at least 130EUR or higher. Please place your bid: Other items from the category: Kingdom of Yugoslavia (*) 548 20 EUR ** 549 20 EUR ** 550 45 EUR ** 551 12 EUR * 552 60 EUR ** 553 30 EUR ** 554 110 EUR ** 555 50 EUR ** 556 50 EUR ** 557 18 EUR ** 558 25 EUR ** 559 280 EUR **/* 560 370 EUR ** 561 100 EUR ** 562 80 EUR ** 563 30 EUR * 564 40 EUR ** 565 160 EUR ** 566 370 EUR ** 567 90 EUR ←12345→