SWITZERLAND STAMPS COLLECTION
Year of issue 1957
Graphic 57 - Inking Unit of a Printing Press, Date of issue 27th February 1957
Gotthard Railway – Train & Civil Structures, Date of issue 27th February 1957
Civil Defence, Date of issue 27th February 1957
2,000 Years Basel – Munatius Plancus, Townscape & Rhine, Date of issue 27th February 1957
EUROPA Stamps, Date of issue 15th July 1957
Pro Juventute - 250th Anniversary of Leonhard Euler, Date of issue 30th November 1957
Pro Juventute - Insects, Date of issue 30th November 1957
Colias croceus
Abraxas grossulariata
