Brooches by Antonella Giomarelli Features Primary Material : silver Pin Type : pin Dimensions (mm) : 80 x 80 x10 One of a Kind : Yes Metal : silver Hallmarked : No Cleaning InstructionsClean gently with a soft old tooth brush and soapy water. This piece may be dipped in 'silver dip' to remove tarnish but should be washed thoroughly in clean water immediately afterwards.