This is a Parker 51 Aerometric finished in Teal Blue (Looks darker on the photos than it really is) with a Rolled Silver cap. Made in the UK, this is a very good example of this model which dates from around 1960.
The rolled Silver cap is in particularly good condition, it is not often you see them without any marks or corrosion, this one is as perfect as I have ever seen!
The pen is fitted with the reliable aerometric filling mechanism which has been fully serviced. It is fitted with a lovely smooth Extra Fine nib and is in overall excellent condition with only very light wear marks. The pen is supplied in its original box.