The 9th International Scientific Congress on Cultivation of Edible Fungi 1974
Visar nu: Japan - Postfrimärken - 1974 - The 9th International Scientific Congress on Cultivation of Edible Fungi - 1 frimärken.
1974
The 9th International Scientific Congress on Cultivation of Edible Fungi
2. november WM: Inga Perforering: 13½
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