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Typical French Maker's Mark (Louis Piret). Image Courtesy of the Hallmark Research Institute. | Antique jewelry, Antique gold jewelry, Jewelry
French Hallmarks Illustrated 1798/1972 - Online Encyclopedia of Silver Marks, Hallmarks & Makers' Marks
Traditional French Jewellery. Regional Jewellery: Treasured Witnesses of Rural Life in the 18th and 19th Centuries | Thomas Heneage Art Books
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