1. Philatelic 72/22/1/57 Reference (shelfmark): Philatelic 72/22/1/57 Title: The People's Republic of China Postage Stamp Issue: 11th National Communist Congress Scope & Content: Stamps designed by Wan Weisheng. Manufactured by the Beijing Postage Stamp Printing Works using a photogravure printing process. Collection Area: Philatelic Collections Languages: English Date Range: 22 Aug 1977 Extent: 3 Items