There were many different sizes of nibs, all made in 14-carat gold, and marked ''Stilus'' horizontally in italics. A specific range is unknown, but the maximum size, used on the largest fountain pens, was 9. In the '20s and '30s were also produced [[overlay]] models with very elegant [[engine turned]] decorations in the art nouveau style. | There were many different sizes of nibs, all made in 14-carat gold, and marked ''Stilus'' horizontally in italics. A specific range is unknown, but the maximum size, used on the largest fountain pens, was 9. In the '20s and '30s were also produced [[overlay]] models with very elegant [[engine turned]] decorations in the art nouveau style. |