Size: (not marked in collar, taken from measurements): 15" (to fit shirt size 14.5").
You will need a pair of collar studs to attach the collar to your shirt.
These studs are NOT included, but are available separately.
Vintage collar, over half a century old but still in excellent condition. It has been laundered, but not starched. Previous owner's initials and laundry marks on inside of collar, as shown.