![Antiques dealer Miroslav Tischler holds a book on the original mechanical pencil and a bust of its inventor Slavoljub Penkala in Zagreb, Croatia, Wednesday Jan. 25, 2006. A Croatian museum on Wednesday Antiques dealer Miroslav Tischler holds a book on the original mechanical pencil and a bust of its inventor Slavoljub Penkala in Zagreb, Croatia, Wednesday Jan. 25, 2006. A Croatian museum on Wednesday](https://c8.alamy.com/comp/2PDE3GB/antiques-dealer-miroslav-tischler-holds-a-book-on-the-original-mechanical-pencil-and-a-bust-of-its-inventor-slavoljub-penkala-in-zagreb-croatia-wednesday-jan-25-2006-a-croatian-museum-on-wednesday-displayed-the-worlds-first-mechanical-pencil-marking-the-100th-anniversary-since-a-croat-invented-the-item-that-later-became-essential-in-everyday-life-around-the-world-ap-photofilip-horvat-2PDE3GB.jpg)
Antiques dealer Miroslav Tischler holds a book on the original mechanical pencil and a bust of its inventor Slavoljub Penkala in Zagreb, Croatia, Wednesday Jan. 25, 2006. A Croatian museum on Wednesday
![Rare 1930s MOSTER-PENKALA Berlin SW68 (No.930) Germany with Wet Fully Flexible EF 14K Nib Push Button Filling Fountain Pen Rare 1930s MOSTER-PENKALA Berlin SW68 (No.930) Germany with Wet Fully Flexible EF 14K Nib Push Button Filling Fountain Pen](https://www.protopens.com/media/catalog/product/cache/1/thumbnail/545b7d8c2961a2f8e0ee77da01d7b56a/d/s/dsc_0334_6.jpg)
Rare 1930s MOSTER-PENKALA Berlin SW68 (No.930) Germany with Wet Fully Flexible EF 14K Nib Push Button Filling Fountain Pen
![Poster for pencil brand Rexpen from 1988 for TOZ, the Zagreb pencil factory, the owner of the rights on bran… | Mechanical pencils, Advertising material, Inventions Poster for pencil brand Rexpen from 1988 for TOZ, the Zagreb pencil factory, the owner of the rights on bran… | Mechanical pencils, Advertising material, Inventions](https://i.pinimg.com/736x/13/42/ec/1342ecb7a63f04cdd4270008eceb705c.jpg)