Celluloid pens were joined also by [[safety]] versions decorated with elaborate metal [[overlay]]s, again named after the [[Waterman]] [[Numerazione Waterman|pattern]] with the numbers 42 , 42½ and 42½ V, that were probably made by [[Columbus]]. Alsa the model called ''[[Velox]]'' was [[Columbus]] production, similar to the round [[Columbus Extra]] models, with wheel clip and two rings of different thickness on the cap. | Celluloid pens were joined also by [[safety]] versions decorated with elaborate metal [[overlay]]s, again named after the [[Waterman]] [[Numerazione Waterman|pattern]] with the numbers 42 , 42½ and 42½ V, that were probably made by [[Columbus]]. Alsa the model called ''[[Velox]]'' was [[Columbus]] production, similar to the round [[Columbus Extra]] models, with wheel clip and two rings of different thickness on the cap. |