Thailand. (Netherlands Post Office in Bangkok). 1946. Notification of Arrival of Letter/ Parcel form headed 'Kennisgeving Van Aankomst Van Een Aangeteekend Stuk' in to the Netherlandsch Postkantoor, Bangkok' with 'Machtiging (Permission) to collect on reverse. The head of the Netherlands Post Office in Bangkok was Capt. Theelen. Capt. Theelen had been a Dutch P.O.W. in the Netherlands Indies while awaiting repatriation he organized the Netherlands Post Office in Bangkok requesting a Swiss style date stamp for use by the Netherlands Mission. The cancel was received by Theelen on the 26th March 1946 and the office closed on the 28th November 1946. unusual item.