| SIAM | 1940 (26 June) BKK GPO - London, Bayswater, UK. Air multifkd envelope via Hong Kong Pacific Clipper Panamerican, endorsed. Fine. |
U$ | 100 |
| SIAM | 1940 (26 June) BKK GPO - London, Bayswater, UK. Air multifkd envelope via Hong Kong Pacific Clipper Panamerican, endorsed. Fine. |
U$ | 100 |