CONDEFERATION HELVETIA
1943
National Postage Centenary Issue
Souvenir Sheet
Ten Centimes Black
Buff Wove Unwtmk Paper
Imperforate
Engraved Printing
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Scott 2022 Catalogue Switzerland B131 ( CV $ 35.00** / 52.50 US )
Michel Katalog Schweiz Mi
pb57942
SWITZERLAND 1940-1970 Confederation
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The PERFORATIONS NETWORK
OTTAWA CANADA