Catalog
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| Issuer | Istituto Poligrafico e Zecca dello Stato |
|---|---|
| Year | 2009 |
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| Composition | Gold (.900) |
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| Reverse description | Central design features a period radio receiver with a rhomboidal antenna, depicted catching radiating radio waves, representative of Italian radio technology from the early 1920s. The denomination 20 EURO is inscribed to the right of the central device, with the Rome Mint mark R positioned to the left. The commemorative anniversary dates 1909 and 2009 appear in the lower field, while the logo of the European Star Programme is prominently placed at the top. The legend GUGLIELMO MARCONI·NOBEL PER LA FISICA arcs along the lower periphery. |
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| Reverse lettering | 20 EURO 1909 2009 R GUGLIELMO MARCONI·NOBEL PER LA FISICA |
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| Additional information |
Issued to mark the 135th anniversary of Marconi's birth, this coin arrived the same year the Nobel Committee's archives revealed fuller details of the contentious 1909 prize — shared with Karl Braun despite Marconi's camp having lobbied aggressively for a sole award. The Italian state mint has issued commemoratives in Marconi's name several times, but the 2009 piece is anchored to a specific anniversary rather than a general tribute.