1. Philatelic 72/22/1/180 Reference (shelfmark): Philatelic 72/22/1/180 Title: The People's Republic of China Postage Stamp Issue: 60th Anniversary of the Chinese Geological Society Scope & Content: Stamp designed by Xu Yanbo. Manufactured by the Beijing Postage Stamp Printing Works using a photogravure printing process. Collection Area: Philatelic Collections Languages: English Date Range: 25 Aug 1982 Extent: 1 Item