Forgery archive

The fake is a supposed white gold necklace with an 18 carat/750 stamp. However, testing with an RFA device shows an alloy composition of 20% gold 60% silver 16% palladium 4% copper ...

King's chain 750 stamp

Abnormalities: There are 750 hallmarks on both sides of the clasp. Material: The surface material corresponds to the 750 stamp. However, underneath there is silver as a carrier materi...

750 king's chain

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

750 bracelet

This bracelet, stamped 750, is a piece made entirely of copper/zinc. By sanding a clear color change can be noticed.

Bracelet and necklace

This piece of jewelry bears the 750 hallmark, both as a bracelet and as a necklace. The outer shell is made of 700 – 730 material, but the interior is an alloy of copper and gold with a gold con...

750 bracelets

These bangles are made of chrome-nickel alloy with a 750 hallmark.

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