Stetson 7/8 is what size?

[pjt113]

I'm looking at a Stetson from overseas and the tag says 7/8, what size would that be?

Thanks for the help.

 

[carouselvic]

either 6 7/8 or 7 7/8....my guess is the first

 

[The Wiser Hatter]

Was 7 7/8 a common hat ? You see alot of 6 7/8's.