1. Philatelic 72/222/4/109 Reference (shelfmark): Philatelic 72/222/4/109 Title: Thailand Postage Stamp Issue: Twentieth Birthday of Prince Vajiralongkorn Scope & Content: Stamp designed by P. Salayachevin. Manufactured by the Government Printing Works, Tokyo using a photogravure printing process. Collection Area: Philatelic Collections Languages: English Date Range: 28 Jul 1972 Extent: 1 Item