Vintage Chicago Worlds Fair 1933 retractable knife / letter opener

Description

You are bidding on a really fun little souvenir from the Chicago Worlds Fair in 1933
It is a little retractable pen knife or letter opener
It has a red marbleized celluloid body with a steel blade inside
The body has a few scuffs and scratches band the blade has some rust but it works great\
It measures 3" long and nearly 5" when the blade is extended
There is a small brass fitting on the tip that would allow to be put on a chain or cord
I will be listing other fun things this week so check them out
Payment expected within 3 days
Thanks for looking