Stamps designed by Khun Thep Laksanlehka and Captain M. C. Gunvudhi Prija. Manufactured by Waterlow and Sons Limited, London using a recess printing process.
Siam (Thailand) Postage Stamp Issue: One Hundred and Fiftieth Anniversary of the Chakri Dynasty and of Bangkok at the Capital, Opening of the Memorial Bridge Over Menam
Scope & Content:
Stamps designed by Prince Narisara Nuwattiwong. Manufactured by Waterlow and Sons Limited, London using a recess printing process.
Collection of mounted mint specimen or unused postage stamps issued by national postal authorities of Siam/Thailand submitted to the Universal Postal Union (UPU) for dissemination among other member states for reference purposes.