This is a straits chinese nyonya kerongsang set of 3 brooches , the brooches are of circa 1920s, made of silver and gilt gold but it is faded and not shining golden anymore, it's use as button for the elegant nyonya's baju kebaya, very fashionable in early 1900s till today, this is a nice set found in antique shop, discontinued craftmenship, Ship free using SAL registered worldwide