Buy Hydraulic engineering / Waterworks
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Congress of the big dams - Switzerland 1985 - 80 Rappen
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25 years - Austria / II. Republic of Austria 1972 - 4 Shilling
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After 1945 built dams - Germany / German Democratic Republic 1968 - 10 Pfennig
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After 1945 built dams - Germany / German Democratic Republic 1968 - 20 Pfennig
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After 1945 built dams - Germany / German Democratic Republic 1968 - 5 Pfennig
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After 1945 built dams - Germany / German Democratic Republic 1968 - 15 Pfennig
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50th anniversary of the October Revolution in Russia - Germany / German Democratic Republic 1967 - 10 Pfennig
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15 years - Austria / II. Republic of Austria 1962 - 1.80 Shilling
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15 years - Austria / II. Republic of Austria 1962 - 1.50 Shilling
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15 years - Austria / II. Republic of Austria 1962 - 3 Shilling
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15 years - Austria / II. Republic of Austria 1962 - 1 Shilling
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ten years - Austria / II. Republic of Austria 1955 - 2.40 Shilling
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Landscapes and technology - Switzerland 1949 - 30 Rappen
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Landscapes and technology - Switzerland 1949 - 25 Rappen
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Landscapes and technology - Switzerland 1949 - 20 Rappen