Since ancient times, one of the classical problems of geometry without doubt has been that of the quadrature of the circle, that expresses the two creating and conservative laws of the universe: movement (the circle, symbol of the Sky and of the cyclic movements) and stability (the square, symbol of the earth and of the created universe).
In fact the Opera is not round as is any other pen, and it's not square, which would make it un-ergonomic, and it's not octagonal either.
Moreover, it's made of celluloid, the queen of materials, the tradition and innovation in writing instruments.
Wall Street Limited Edition
4000 fountain pens
Filling System: Double reservoir power filler
Wall Street Edizione regolare
The Wall Street celluloid - Regular Edition - is different in size (it's a bit shorter) and in look:
The collection includes the fountain pen, the capped roller and the twist ballpoint.
All the Opera pens can be personalized with initials on the cap top, with magnetic initials of Visconti's My Pen System.