Vintage detachable BLUE starched shirt collar.
This is a day collar, for casual wear.
It is marked No. 1412 - presumably this is the style number, but there is no maker's brand name.
Probably made around the 1930s.
You will need a pair of collar studs to fix this collar to your tunic shirt.
These studs are NOT included, but are available separately (the stud in the picture is just for display).
Collar size: 15 1/2 inches (to fit shirt size 15").
Vintage collar, clean, starched and in very good condition.
Previous owner's laundry mark on inside of collar.