The 100th Anniversary of the Geneva Conference on Organic Nomenclature 1992
ただいま表示中： スイス - 郵便切手 - 1992 - The 100th Anniversary of the Geneva Conference on Organic Nomenclature - 1 切手.
1992
The 100th Anniversary of the Geneva Conference on Organic Nomenclature
24. 3月 WM: なし デザイン: Burkard Waltenspül. 図案 意匠: Courvoisier. S.A. ミシン目: 11¾
![[The 100th Anniversary of the Geneva Conference on Organic Nomenclature, タイプ BEF]](https://www.stampworld.com/media/catalogue/Switzerland/Postage-stamps/BEF-s.jpg)
