Vintage Sheaffer Black Balance Fountain Pen #5 Feather Touch Nib Estate

Description

I really don't know much about these pens and pencils I will be selling.  Feel free to tell me if I am off on my information.
This is a nice Sheaffer pen from my moms collection. It measures 4.68 inches long. Number 5 14k feather touch nib is very nice.  Needs a new sack.
Says WA Sheaffer Pen Co Fort Madison Has teeth marks and scratches. Clip is sprung.
Please ask any questions before buying.