From the following website: https://nasvete.com/gerrys-costume-jewellery/
“Gerry’s costume jewelry
History of Gerry’s Creations began with Geraldine Giles in 1950. As established in the peak of the popularity of costume jewelry, Gerry’s Creations have been able to stay on the market for more than 40 years. The main direction, familiar to most collectors of this brand, were Christmas brooches, many of which are included in the costume jewellery catalogs. In addition, among collectors are very popular brooches with the image of animals, birds, butterflies and flowers. Gerry’s was also famous for themed brooches, for example sport series – tennis rackets, bowling, etc., but they are particularly rare. The company ceased operations in 1996. Gerry’s costume jewellery is rare, their antique brooches are for those collectors who love and appreciate jewelry with history.”
XRF test result for the Christmas brooch pictured here
- Lead (Pb): 905,000+/- 3,000 ppm
- Antimony (Sb): 73,600 +/- 1,300 ppm
- Tin (Sn): 11,000 +/- 500 ppm
- Bromine (Br): 1,152 +/- 163 ppm
- Copper (Cu): 1,853 +/- 369 ppm
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