Antique Solid Silver Square & Compass Pendant Intaglio Agate Hardstone Masonic Fob Necklace Art Deco Marcasite Free Masons Jewelry Jewellery charles horner It isn't stamped/hallmarked but tests

It isn't stamped/hallmarked but tests for solid 18ct gold

The ring is made from solid 9ct 375 yellow gold rims and sterling silver central band

The item is stamped "9ct Back Front" and weighs approx

DESCRIPTION: A lovely antique Victorian pietra dura brooch

it's in fact Britain's rarest mineral

Antique Solid Silver Square & Compass Pendant Intaglio Agate Hardstone Masonic Fob Necklace Art Deco Marcasite Free Masons Jewelry Jewellery charles horner It isn't stamped/hallmarked but testsDESCRIPTION: A rare and true antique solid silver square and compass masonic pendant, made from a genuine agate (100% tested) hardstone intaglio and marcasites. The item weighs approx. 3. 0g and the size dimensions are in the later photos. The item isn't stamped hallmarked, it tests for high grade silver (800+). The rear has some marks and dark patina to it.