Kerr Sterling Art Nouveau Buckle with Cherubs, signed, 1 1/2" X 4 3/4", #373, 27.5 grams.................William B. Kerr Co. was a manufacturer of jewelry, flatware and hollow-ware. Established in Newark, New Jersey in 1855, they are listed in the 1915 Edition of the Trademarks of the Jewelry and Kindred Trades as having been located at 144 Orange St....Kerr was known for elaborate and unique Art Nouveau pieces, most especially the American Beauty series, as well as many different patterns of flatware and holloware for children featuring nursery rhymes and images.