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20 Lira Oktay Sinanoğlu
| Issuer | Turkish State Mint (Darphane) |
|---|---|
| Year | 2025 |
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| Composition | Log in to see details |
| Weight | 31.1 g |
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| Obverse description | Portrait of the renowned Turkish theoretical chemist Oktay Sinanoğlu seated at a laboratory bench, depicted in left profile wearing glasses and a lab coat, manipulating scientific glassware and laboratory bottles with both hands. Behind and above his figure, the field is filled with an elaborate array of organic and inorganic chemical structural formulae rendered in fine relief, evoking his groundbreaking contributions to theoretical chemistry. A crescent and star symbol appears at the top of the coin, flanked by the bilingual legend arcing around the periphery. The date 2025 and the denomination 20 Türk Lirası appear in the lower portion of the field. |
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| Reverse script | Latin |
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| Edge | Reeded |
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