1900 Bangkok (11 Sep) to Switzerland. Registered cover, f.w. King Chulalongkorn 3rd issue x5, in total of 24a, tied by Bangkok 1 cds.,
1900 Bangkok (11 Sep) to Switzerland. Registered cover, f.w. King Chulalongkorn 3rd issue x5, in total of 24a, tied by Bangkok 1 cds., alongside with R mark. Transit Milan, Bologna. Arrived Bern (12 Oct).1900.9.11 曼谷寄瑞士。掛號封,貼朱拉隆功像第三版5枚,合24a,銷曼谷1局日戳,旁鈐R章。經米蘭、博洛尼亞。10.12抵Bern。