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 ** 528 400 EUR ** 529 25 EUR ** 530 70 EUR **/(*) 531 12 EUR ** 532 85 EUR * 533 430 EUR * 534 450 EUR ** 535 50 EUR ** 536 260 EUR ** 537 25 EUR ** 538 280 EUR ** 539 220 EUR ** 540 55 EUR ** 541 55 EUR ** 542 55 EUR * 543 55 EUR ** 544 160 EUR ** 545 40 EUR ** 546 18 EUR ** 547 25 EUR 1234→