Noruega
A mostrar agora: Noruega - Selos Postais (1855 - 2024) - 1 selos.
1964
The 100th anniversary of the publication of the mass action law by the professors C.M.Guldberg and P. Waage
11. Março WM: Nada Perfuração: 13
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![[The 100th anniversary of the publication of the mass action law by the professors C.M.Guldberg and P. Waage, Tipo GK1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Norway/Postage-stamps/GK1-s.jpg)
