It seems that during the 1940s they produced a line of costume jewelry with the mark "Chanel Novelty Company". The jewelry was marked Chanel in script. Well, they were not associated with Coco Chanel and as you might expect, she or her company did not like the use of the name "Chanel Novelty Company." Jewelry marked "Chanel" in script was only ... Hi Joe, I used the "titles and descriptions" search in the jewelry section and pulled up a few auctions with "arrow through U." Most didn't know what the sig meant either. But, one seller said that it is the mark of Uncas, est. 1911 and one called them the Uncas Mfg Co. out of Providence RI, est 1911 by Vincent Sorrentino. The Uncas mark is a U with arrows on either side. This information was also acquired from the internet by Marly Harris for us: The Uncas Ring Co. was located in Providence, Rhode Island. There, the company not only produced premium rings, but also jewelry including bracelets, earrings, charms, and the like. In silver jewelry marked with the FAS 925 stamp, the number indicates that the jewelry is 92.5 percent silver and the rest is a fused silver alloy. Sterling silver, or 925 silver, contains 92.5 percent weight of silver, as compared to 99.9 in pure silver. The rest of the weight in 925 silver is typically copper, which strengthens the silver. May 11, 2009 · It probably represents this costume jewelry manufacturer: UNCAS MANUFACTURING CO. --1911 ... 925 marked on the inside of a piece of jewelry means that it is 92.5 percent silver. The tcl is most ... Most extensive internet resource for research of Silver marks, Hallmarks & Maker's Marks.