1. Philatelic 72/23/1/134 Reference (shelfmark): Philatelic 72/23/1/134 Title: The People's Republic of China Postage Stamp Issue: 90th Birth Anniversary of Zhang Wentian Scope & Content: Stamps designed by Yin Huili. Manufactured by the Beijing Postage Stamp Printing Works. Collection Area: Philatelic Collections Languages: English Date Range: 30 Aug 1990 Extent: 2 Items