This beauty, measuring approximately 2 1/2" x 1" is from the 1940's. It is signed "Italy" and has a brass backing. The tessare is very finely placed on this piece giving the even surface so common in the older pieces of quality. The brass backing has a mellow yellow patina to it. A similar example can be found on pg. 200 of 20th Century Costume Jewelry 1900-1980 by Ronna Lee Aikins.