The 400th anniversary of the city of Helsinki 1950
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1950
The 400th anniversary of the city of Helsinki
11. June 窗口管理器: 空缺 設計: Signe Hammarsten Jansson 雕版: A.Laurén and B.Ekholm 篩孔: 14
![[The 400th anniversary of the city of Helsinki, 類型 GM]](https://www.stampworld.com/media/catalogue/Finland/Postage-stamps/GM-s.jpg)
![[The 400th anniversary of the city of Helsinki, 類型 GN]](https://www.stampworld.com/media/catalogue/Finland/Postage-stamps/GN-s.jpg)
![[The 400th anniversary of the city of Helsinki, 類型 GO]](https://www.stampworld.com/media/catalogue/Finland/Postage-stamps/GO-s.jpg)
