Conway Stewart produced the 'Scribe 330' model between 1931 and around 1940. The pen is constructed in Black Chased Hard Rubber, there is some brown patina. The surface is good and has a nice finish, the imprint is just legible, ' Scribe 330 - Conway Stewart, London'. A very distinctive and practical feature of the Scribe is the arrangement of threads on the end of the barrel to facilitate posting of the cap Good vintage condition.