This bar pin has very detailed tiny tiny glass insert flowers. The bar pin has a c closure and metal is brass. The back is marked Made in Italy.
I did see one longer glass piece missing, can not see it with out a jewelers loop. The bar pin measure 1 1/2 inch long x 3/8 inch wide.
Great condition for its age. colors are red, white, blue, yellow, and green.
Circa early 1900's.