Germany 1994    Hermann von Helmholtz (Physician and Physicist) 100th Death Anniversary    1 value depicting Portrait, Eye and Colour Triangle   -   in superb u/m (mnh) condition - excellent country, vision, colour, energy, thermodynamics, science, people, scientists thematics. If you cannot see the topic/thematic you are searching for in my shop, please do not hesitate to request that I send up a selection of items to ebay which suit you better as I have huge stocks!

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