Pen comes from Croatia
Antiques dealer Miroslav Tischler holds an 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 world's first mechanical pencil, marking the 100th anniversary since a Croat invented the item that later became essential in everyday life around the world. (AP Photo/Filip Horvat) 
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 world's first mechanical pencil, marking the 100th anniversary since a Croat invented the item that later became essential in everyday life around the world. (AP Photo/Filip Horvat)
Pen comes from Croatia
Antiques dealer Miroslav Tischler holds an 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 world's first mechanical pencil, marking the 100th anniversary since a Croat invented the item that later became essential in everyday life around the world. (AP Photo/Filip Horvat)
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 world's first mechanical pencil, marking the 100th anniversary since a Croat invented the item that later became essential in everyday life around the world. (AP Photo/Filip Horvat)