1921-1925 William Tell, 改色 ( Definitive Stamps )
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1921 ( Definitive Stamps )
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1924 ( Definitive Stamps )
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1924-10-9 UPU, 50th anniversary ( Commemorative Stamps )
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1927-1930 ( Definitive Stamps )
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1928 William Tell ( Definitive Stamps )
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1930-6 ( Definitive Stamps )
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1932-2-2 International Disarmament Conference ( Commemorative Stamps )
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1932-2-2 International Disarmament Conference ( Commemorative Stamps )
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1932-5-31 St. Gotthard tunnel, 50th anniversary ( Definitive Stamps )
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