1939 Kunming (13 Aug) to Bangkok, f.w. 150th Anniv of US Constitution complete set, tied by Kunming bilingual cds.,alongside with airmail
1939 Kunming (13 Aug) to Bangkok, f.w. 150th Anniv of US Constitution complete set, tied by Kunming bilingual cds.,alongside with airmail and registered label. Arrived Bangkok (21 Aug).1939.8.13 昆明寄曼谷，貼美國憲法一百五十週年新全，銷昆明三格點線日戳，貼航空及掛號標籤。8.21抵曼谷。
