The JUNIOR Pen - 14K Gold Nib -Lever Fil - buying Made in England

This lovely old "Junior Fountain buying pen" from around 1930`s/40`s is in very nice condition.
It is fitted with a 14 carrot gold nib marked "Warranted 14K USA".
I have not tried to open the pen and it will need a service.
It Measures 4 3/8"- 117mm Closed and 6" - 15cm open