Vintage British Van Heusen detachable shirt collar.  Grey semi-stiff collar, made in England, probably around the 1930s to 1950s.  Eqyptian cotton.
Size  15"
Style number 11/8.
You will need a pair of collar studs to attach the collar to your shirt.  These studs are available separately from my other listings.

Condition: Unused, in perfect condition.