1. Philatelic 72/23/1/95 Reference (shelfmark): Philatelic 72/23/1/95 Title: The People's Republic of China Postage Stamp Issue: 90th Birth Anniversary of Qu Quibai Scope & Content: Stamps designed by Yan Baozhen. Manufactured by the Beijing Postage Stamp Printing Works using a photogravure printing process. Collection Area: Philatelic Collections Languages: English Date Range: 29 Jan 1989 Extent: 2 Items