Go to this link:
http://emblem.legion.org/uniform_caps/legion.asp
Step 1: Department of Montana
Step 2: Style is city (Corvallis, MT)
Step 3: Regular
Step 4: Select your hat size
Step 5: Left side lettering (Corvallis, MT)
Step 6: Post number (91)
Step 7: If you are a post officer then put that in their (ie/ Commander). If not leave it blank.
Then hit "submit" and pay your bill.
It is really that easy!
Thank you,
Sincerely,
The Adjutant