Colonel Ludwig Pfyffer (ONU/UNO overprint)
1 Fr. 1950
Switzerland
Mi:CH 382 - Overprinted in black - "NATIONS UNIES OFFICE EUROPÉEN"
| Country: | Switzerland |
| Type: | Postage stamps |
| Series: | ONU/UNO - United Nations European Office |
| Nominal: | 1 Fr. |
| Year: | 1950 |
| Material: | dull opal green |
| Perforation: | comb 11¾ |
| Mintage: | 74,000 |
ONU/UNO - United Nations European Office
