A 2,000-year-old garnet ring from ancient Rome that is believed to have an image of the first Roman emperor sold for nearly 600 times its expected price at a recent jewelry auction in England. The ...
Intaglio is an ancient carving technique for adding details to a workpiece, by manually removing material from a surface with only basic hand tools. If enough material depth is removed, the resulting ...
1 x 2.2 x 2.2 cm. (0.4 x 0.9 x 0.9 in.) ...
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