| HONG KONG | 1936 (26 March GPO - England, Seven Oaks. Multifkd env. First flight. HK - London via Imperial airways. VF. |
U$ | 55 |
| HONG KONG | 1936 (26 March GPO - England, Seven Oaks. Multifkd env. First flight. HK - London via Imperial airways. VF. |
U$ | 55 |