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"c." = within ten years before or after a date. Dates are for when that mark was first used, or when it was first seen in ads or articles. |
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Ugo Correani -- see Correani, Ugo
ULTRACRAFT -- Johnston, RI
Founded by Luigi Guadagno.
Mark: ULTRA with copyright mark 
Mark: ULTRA CRAFT 
UNCAS MANUFACTURING CO. --1911 -- present
Mark: "U" with an arrow on each side, pointing toward the "U" since 1919 -- 1988 
Courtesy Carol Neitzel
Mark: "U" with arrow - 1920 through at least 1988 ;
Photo courtesy Lilly Vittetow.
Mark: Crystogem - 1927 
Courtesy RCJ
Mark: Kiddiegem - 1934 
Courtesy RCJ
Mark: Stylecraft Gems -- March 1938 
Courtesy Plenty O'Jewels.
Mark: Stylerite -- May 1941 
Courtesy Plenty O'Jewels.
Mark: Personality -- Sept. 1941
Mark: Glow-Lite -- Jan. 1942 
Courtesy RCJ
Mark: Jewels of Fashion -- 1947 
Courtesy RCJ
Mark: Curtis Creations - 1950 (Curtman)
Mark: CC in ball on hand - 1950 (Curtman) 
Courtesy RCJ 
Courtesy ID: fynderskeepers
Mark: Bunny -- for rings -- Jan. 1950
Mark: Sorrento - 1951 
Courtesy RCJ
Mark: Coronado -- Aug. 1955
Mark: Christian Heritage - 1958
Mark: Ring-O-Rama - 1958
Mark: Uncas -- 1959
Mark: H.G. E (heavy gold electroplate) -- 1965
Mark: Vincenzo - 1966
Mark: Unicite - 1967
Mark: Stars of Light - 1971
Mark: Corsini - 1975 
Courtesy RCJ
Mark: Lois - 1978 
Courtesy RCJ
Mark: Uncaclad - 1979
Mark: Kyoto - 1981 
Courtesy RCJ
Mark: Corsini Collection - 1997 
Courtesy RCJ
Mark: Daryl Lee - 2005 
Courtesy RCJ
Mark: Tisha Lee - 2005 
Courtesy RCJ
Mark: Keynote of Fashion
Mark: Spiders in Fashion
Mark: Stylecraft
Mark: Turtles on Parade
Mark: Sorrento Sterling 
Photo courtesy Laura Libio.
Mark: Sorrento 1/20 12K G.F. 
Courtesy RCJ
Mark: Persian Love
Founded in 1911 by Vincent Sorrentino (1892-1976) in Providence, RI under his own name
It became UNCAS Manufacturing Co. before 1922
Curtrman Company (1936) became a part of Uncas prior to 1950.
Uncas purched Vargas MFG. and it's building sometime after 1996.
The original Sorrentino family is still involved in the Uncas Co. (2008)>
Ungaro, Emanuel -- contemporary designer -- Paris
Mark:
Photo courtesy Erik Yang.
Unger Brothers -- Newark, NJ
Mark: Interlaced U & B, was stamped on all Unger silver, with the exception of some jewelry made after 1910. 
Photo courtesy Jennifer of Jennifer Lynn's Timeless Jewelry.
This jewelry is lightweight and of lesser quality than the original pieces.
Began making silver jewelry in 1878.
Ceased production of silver articles in 1914 and firm was sold in 1919.
UNICORN PRODUCTS CO. INC. -- NY, NY -- since 1946
Mark: Impression of a unicorn standing on hind legs & the name "Unicorn" inside a circle. 
Urban Fetishes -- contemporary, New Mexico
Mark:
Photo courtesy Linda Jo D. Mitchell.
Owned by artist and writer Alice Warder Seely.
Pewter jewelry.
PAT SEAL: research files
DOTTY STRINGFIELD: research files
LUCILLE TEMPESTA: owner-publisher of the Vintage Fashion & Costume Jewelry Magazine and club
BOBYE SYVERSON: research files.
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