1. Philatelic 72/222/4/215 Reference (shelfmark): Philatelic 72/222/4/215 Title: Thailand Postage Stamp Issue: Waterfalls Scope & Content: Stamps designed by P. Pipitpiuapakorn. Manufactured by Harrison and Sons Limited using a lithography printing process. Collection Area: Philatelic Collections Languages: English Date Range: 1 Jul 1980 Extent: 4 Items