FANCY BLUE STONE BROOCH FLORAL ALLOY SURROUND 11 GRAMS 20 OLD FANCY BROOCH BLUE STONE Old brooch Total length: 2.5 cm Thickness: 0.5 cm Width: 3.3 cm Weight of the set: 11.20 grams Hallmarks: 925 hallmark but it is not l silver (negative acid tests) Material: unknown gray alloy and blue stone opportunity. Please look carefully at the photos, they are an integral part of the description.   Do not hesitate to consult my shop I offer a wide range of brooches and jewelry All my jewelry is either old or used more or less recent.  As such, they have marks of time and use that I try to point out as best I can by posting several photos and describing the object.  I therefore ask you in advance to carefully read the description and look at the photos which are part of the description.  Do not hesitate to consult my store and all my items for sale.   I remain at your disposal for any questions.