RCMP stetson. I am size 7 1/8 and seems to fit me just fine. Only wore it once to try it on. Here it the price brand new: https://www.mountieshop.com/products/rcmp-mountie-hat-back-in-stock
When buying, you agree it will be used for a lawful purpose such as part of a collection or not wearing it in public with other RCMP uniform parts to impersonate an officer.
Comes with its original hard cardboard box it came in. Seems to have been designed for this hat. Also comes with a clear rain cover,
I only accept cash, e-transfer or paypal as payment (last 2 being preferred).