The 40th Anniversary of the Death of Dr. D. S. Kotnis 1982
Visar nu: Kina, Folkrepubliken - Postfrimärken - 1982 - The 40th Anniversary of the Death of Dr. D. S. Kotnis - 2 frimärken.
Visar nu: Kina, Folkrepubliken - Postfrimärken - 1982 - The 40th Anniversary of the Death of Dr. D. S. Kotnis - 2 frimärken.
![[The 40th Anniversary of the Death of Dr. D. S. Kotnis, Typ BTH]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/BTH-s.jpg)
![[The 40th Anniversary of the Death of Dr. D. S. Kotnis, Typ BTI]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/BTI-s.jpg)
