This is a group of 2 of antique Edwardian era shirt studs, collar buttons or cuff buttons with detachable backs made in the USA in 1900-1910s.

One of the he shirt studs is gold plated bright ball top and one has a hand scalloped, hand cut star gold filled top with a hand set genuine Pearl.

The Pearl shirt stud measures 10mm long by 6mm in diameter, or about 1/4 inch in diameter while the gold ball is also 10mm long and is 5mm in diameter.

Both shirt studs in very good +++ used vintage condition.