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For black hard rubber pens normal wave chasing was identified by the digit 1, while the larger wave chasing has the digit 0. The colored hard rubber were indicated by the digit 2, and besides the usual color of red and mottled hard rubber were also found specimens with bright colors similar to those of [[Waterman 94]] (yellow background with green or blue veins).  

For black hard rubber pens normal wave chasing was identified by the digit 1, while the larger wave chasing has the digit 0. The colored hard rubber were indicated by the digit 2, and besides the usual color of red and mottled hard rubber were also found specimens with bright colors similar to those of [[Waterman 94]] (yellow background with green or blue veins).  

Le misure dei pennini, in oro a 14 carati e marchiati anch'essi ''Stilus'' in orizzontale a caratteri corsivi, erano diverse, non è noto un intervallo specifico, ma la misura massima, posta sulle penne di maggiore dimensione, era la 9. Negli anni '20 e '30 vennero prodotte anche versioni [[overlay|rivestite]] particolarmente eleganti con decorazioni [[guilloché]] in stile liberty.

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.

[[Image:Stilus-917-Green-CapNib.jpg|thumb||Una [[Stilus]] 917 in [[celluloide]] ]]

[[Image:Stilus-917-Green-CapNib.jpg|thumb||Una [[Stilus]] 917 in [[celluloide]] ]]