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Jade paperweight - antique or not
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<p>[QUOTE="Lecollectionneur, post: 446927, member: 8569"]I give you a trick we use professionally to determine the age of engraving on glass etc…</p><p>If you have access to a good magnifier or a good macro lens, look at the marks made by the stone used for engraving, since 1900 they are synthetic stones used, before they were natural stones cut to make a round piece, the dimensions of the components are totally of the same dimension on synthetic stones then if you look the engraving and it has marks of the same aspect then it's after 1900, if it's made with diamond wheel, the finish is a lot more regular, look perfect, no variations, i hope you understand my explanation.</p><p>We use this technique especially on engraved glass because they are some wise guys who take antique glass and make embellishment, forgeries in fact!!![/QUOTE]</p><p><br /></p>
[QUOTE="Lecollectionneur, post: 446927, member: 8569"]I give you a trick we use professionally to determine the age of engraving on glass etc… If you have access to a good magnifier or a good macro lens, look at the marks made by the stone used for engraving, since 1900 they are synthetic stones used, before they were natural stones cut to make a round piece, the dimensions of the components are totally of the same dimension on synthetic stones then if you look the engraving and it has marks of the same aspect then it's after 1900, if it's made with diamond wheel, the finish is a lot more regular, look perfect, no variations, i hope you understand my explanation. We use this technique especially on engraved glass because they are some wise guys who take antique glass and make embellishment, forgeries in fact!!![/QUOTE]
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