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100 Euro Innovations of Slavoljub Penkala
| Issuer | Croatian National Bank |
|---|---|
| Year | 2025 |
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| Shape | Round |
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| Obverse lettering | 100 EURO REPUBLIKA HRVATSKA |
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| Edge | Reeded |
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| Additional information |
Slavoljub Eduard Penkala was a Dutch-born engineer who settled in Zagreb in the 1890s and became one of Croatia's most celebrated inventors. In 1906 he patented a mechanical pencil and, in the same year, a hard-tipped fountain pen — the word "pen-kala" eventually lending his surname to the Croatian word for pencil. His Zagreb factory, founded with entrepreneur Edmund Moster in 1911, was among the first industrialized writing-instrument manufacturers in Europe.
The .9999 fineness places this among the purest gold issues in the Croatian commemorative program.