Forgery archive

18K gold chain

Chain hallmarked with 18K (750 AU) Material: gold-plated copper. Exact dates: Weight 24.79g length 62cm Width 7mm Strength 1.2mm

King's chain

Currently “21.04.2022” there is an increasing number of counterfeit king chains and bracelets in circulation.

Gold chain 585

Abnormalities: The clasp is noticeably small for the size of the chain. There are 585 hallmarks on both sides of the clasp. Material: The surface material corresponds to the 585 stamp...

585 king's chain

Abnormalities: The chain has a 585 stamp on both ends The color of the clasp does not match the chain. Material: The chain is made of silver which has been coated with a 585 gold allo...

750 king's chain

This king chain, stamped 750, has a silver core. The surface matches the hallmark, making an acid test unremarkable.

Gold-plated silver chain

Here we have once again a gold-plated silver chain that has been stamped 585. A surface analysis also yields this result. This means that the chain must be sanded to detect the silver substrate....

585 gold chain

This is a gold chain with a 585 stamp. Conspicuous features include the poor workmanship of the clasp, the double hallmarking on the clasp and the unusual (very yellowish) gold color.