Articles below a certain weight are exempt from hallmarking. The exemption weight is based on the weight of the precious metal in the article, The weight exemption for Silver is 7.78 grams, so any jewellery that falls below that weight is not legally required to be Hallmarked.

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Weight Exemptions - for your information:

~Silver 7.78 grams

~Gold 1.0 gram

~Palladium 1.0 gram

~Platinum 0.5 grams