RADIUS EXTRA facetted tortoise marbled celluloid

1930's Radius Extra facetted button filler in brown tortoise celluloid in excellent condition.
The pen is a very good writer and very light in the hand. It is fitted with its original 14 ct gold Radius nib .
It is in perfect working order and ready to write.
Nib grad eis EF.
Time of production: late 1930's