| Germany - DDR | 1956 (9 May) Leipzig - Audubon, NJ, USA (13-14 May) Registered air multifkd front and reverse envelope. VF + 3 labels. Transited. |
U$ | 22 |
| Germany - DDR | 1956 (9 May) Leipzig - Audubon, NJ, USA (13-14 May) Registered air multifkd front and reverse envelope. VF + 3 labels. Transited. |
U$ | 22 |