Catalog
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| Location | Slovakia |
|---|---|
| Year | 2020 |
| Type | Log in to see details |
| Composition | Log in to see details |
| Weight | 6.35 g |
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| Technique | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Latin |
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| Reverse description | A detailed relief depiction of a large-format Petzval portrait lens and period camera body mounted on a wooden stand, representing the optical invention that revolutionized 19th-century photography. The series title legend arcs around the left field and the year 2020 appears in the lower right exergue area. |
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| Reverse lettering | SVETOVÉ VYNÁLEZY 2020 (Translation: World Inventions.) |
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