1. Philatelic 72/222/4/151 Reference (shelfmark): Philatelic 72/222/4/151 Title: Thailand Postage Stamp Issue: Thaipex 75 National Stamp Exhibition, Bangkok Scope & Content: Stamps designed by S. Udomtharak. Manufactured by the State Bank Note Printing Works, Helsinki using a lithography printing process. Collection Area: Philatelic Collections Languages: English Date Range: 4 Aug 1975 Extent: 4 Items