Old Vintage Sterling Silver Agate Brooch ROBERT ALLISON Pin 1952 Scottish Celtic Large Gemstone Targe Scottish Solid 925 Jewelry Jewellery carabiner clip The item is made from

The item is made from high grade solid silver and faceted citrine coloured pastes (glass) "stones"

the amethyst paste has some marks and scratches on it

with an intricately engraved face

The inside of the brooch has some dark silver patina which I can't clean without damaging the pastes

The light passes through the brooch beautifully

Old Vintage Sterling Silver Agate Brooch ROBERT ALLISON Pin 1952 Scottish Celtic Large Gemstone Targe Scottish Solid 925 Jewelry Jewellery carabiner clip The item is made fromDESCRIPTION: A gorgeous and well made vintage Scottish brooch, made and hallmarked by Robert Allison. The brooch is made from sterling silver and adorned with a large and genuine agate gemstone (100% tested). The item is fully hallmarked for sterling silver, dating to 1952. It weighs approx. 16. 84g and the size dimensions are in the later photos.