China FDC on "Scientists of Modern China (VII)"

First Day Cover
首日封
Sobrescrito de 1.º Dia

China


Scientists of Modern China (VII)

Date of Issue : 8 May 2016

4-1 : Ding Wenjiang
4-2 : Jin Shanbao
4-3 : Ye Qisun
4-4 : Ye Duzheng