Jewelry Trademarks - "C" - Global Gemology - Rare Gems & Jewels
Costume Jewelry Marked C | Jewelry Carats
Hallmark Jewelry Research, dating vintage jewelry from their marks.
Jewelry Trademarks - "C" - Global Gemology - Rare Gems & Jewels
Vintage Jewels Geek blog: September 2019
Tiffany date letters and marks: an article for ASCAS: Association of Small Collectors of Antique Silver website
Vintage Costume Jewelry Necklace Tag markings
Antique and Vintage Jewelry Maker's Marks: A Collector's Guide - Invaluable
Bracelet with a "C" mark.... vintage? | Collectors Weekly
Jewelry Trademarks - "C" - Global Gemology - Rare Gems & Jewels
Crystal bracelet (c. 2014), costume jewelry: 70,700 ppm Lead (90 is unsafe) + 149,600 ppm Cadmium (75 ppm is unsafe.)
Mark with Letter C inside a double diamond. | #187429
C & C Jewelry
No Makers Mark | Jewelry | Choker Glam Or Casual Necklace Woven Links Gold Metal Euc | Poshmark
Vintage Costume Jewelry Necklace Tag markings
Bracelet with a "C" mark.... vintage? | Collectors Weekly
A guide to what jewelry stamps mean. | Think Engraved
Jewelry Trademarks - "C" - Global Gemology - Rare Gems & Jewels
Jewelry Trademarks - "C" - Global Gemology - Rare Gems & Jewels
Pin on jewelry hallmarks
Melissa C. Mark
Lesser Known Makers of Costume Jewelry – Kovels
T&CO – Antique Jewelry University
Costume Jewelry Hallmarks: C – World of Eccentricity & Charm
Pin on Jewelry Hallmarks
Jewelry Trademarks - "C" - Global Gemology - Rare Gems & Jewels
