1. Philatelic 72/23/1/78 Reference (shelfmark): Philatelic 72/23/1/78 Title: The People's Republic of China Postage Stamp Issue: Chinese Scientists (1st Series) Scope & Content: Stamps designed by Zou Jianjun. Manufactured by the Beijing Postage Stamp Printing Works using a photogravure printing process. Collection Area: Philatelic Collections Languages: English Date Range: 28 Apr 1988 Extent: 4 Items