OMAS EXTRA 556 1946 piston filler

At the end of WWII Omas decided to rejuvenate its models and  introduced the piston as a new filing mechanism. Although Lucens and Extra Lucens plunger fillers remained available till the 1950's, they were flanked by a new line of piston fillers which were called Extra and numbered with 55X sequences. 

The new extra piston fillers retained the roller clip typical of the previous Extra models (lever fillers) and were produced in three sizes. Known colors are jet black, brown tortoise, gray pearl, arco brown, arco gray, marbled blue and probably a few others.

In 1948 this line of pens was replaced by the new ogiva-shaped models with the same 55X model name.

Omas Extra piston fillers are therefore pretty rare due to their very limited time of production. 

They are fitted with Omas Extra 585 nibs and are fantastic writers, very robust and with a perfectly balanced size. 

This Omas Extra 556 piston filler is in excellent condition; the color is very flashy and does not show any sign of discoloration, its ink  window is absolutely clean and there are no signs of brassing.

The only defect is in the cap lip, which has been slightly shortened.