This is a Parker 51 Aerometric finished in Black with a Lustraloy Cap. It was made in the UK around 1963.
The pen is fitted with the reliable aerometric filling mechanism which has been fully serviced. It is fitted with a superb smooth Fine 14ct gold nib and is in overall very good condition with wear marks commensurate with light use. The Lustraloy cap is in excellent order with very minor wear marks.