Due to the large volume of requests, we are no longer able to answer individual questions about jewelry.
"c." = "circa" = within ten years before or after a date.
Dates given for each mark are for when that mark was first used, or when it was first seen in ads or articles.
Photo courtesy Roxy Richardson.
Handcrafter Photo courtesy Roxy Richardson
New Pro Photo courtesy Roxy Richardson
NF Sterling Photo courtesy Roxy Richardson
CB Photo courtesy Roxy Richardson
Skye Photo courtesy Roxy Richardson
SY Photo courtesy Roxy Richardson
Reeves Photo courtesy ID: justabunchawildflowers
Tony Romolda Photo courtesy ID: justabunchawildflowers
Comstock Photo courtesy ID: justabunchawildflowers
Custom --found on a lovely dark AB necklace & earrings Photo courtesy Photo courtesy Matt & Patti Ribarich
Brooks Photo courtesy Glitz & Glitter Boutique.
Miraj Sterling Photo courtesy Glitz & Glitter Boutique.
Geno 
Photo courtesy Norma
Albert Photo courtesy Cathy Gordon.
(possibly K.C. Jewelry Mfg., Tenafly, NJ?? On a more contemporary pin -- by Beth Ann, ID: crazyintheattic
St. Tropez drawing of mark by Roxy Richardson
-- (RCJ)
-- by Roxy Richardson
Don Nig ? on earrings -- by Roxy Richardson
DoSo on necklace -- by Nicole Goodwin From Robin Deutsch - this is a German mark, probably a trademark, not the actual company name.) So the mark is still a mystery.
Barlet" or maybe Carlet" but the first three letters are very hard to make out. Next to the signature is a stamped hallmark and underneath reads "0926 MF Sterling". Two of the charms are engraved "Mexico" with a tall cactus logo. -- by Maggie Denmark
-- by Roxy Richardson
"Ph Lucas" -- by J. K. Schwartz
"D'Arne" on a goldtone brooch -- by Lilly Vittetow
"C&R" on potmetal sash type brooch with large center stone -- by Plenty O'Jewels.
"©CFW"
Essex Photo courtesy Roxy Richardson
"Clements" Deco potmetal -- by Linn Alber
Purchased pieces at KJL store on 5th Ave. 12-15 years ago Photo courtesy Gail McGee
Sterling Celtic brooch -- Iona is an island off the coast of Scotland, but don't know who uses this mark. Photo courtesy eclecticgramma.
KEET -- On sterling brooch. Photo courtesy eclecticgramma.
McCain NY. Photo courtesy eclecticgramma.
Photo courtesy eclecticgramma.
MODELE Moulage Sterling. Photo courtesy eclecticgramma.
" M " On pearls. Photo courtesy eclecticgramma.
Photo courtesy Jean Bertens.
Photo courtesy Myrna Seale.
Florida, F. E. Taylor, Handmade Photo courtesy Linda Jo D. Mitchell.
Photo courtesy Lilly Vittetow.
on turquoise/Sterling watch band Photo courtesy Lani Peterson.
on turquoise/Sterling watch band. Photo courtesy Lani Peterson.
"R" Sterling Photo courtesy Linda Jo D. Mitchell.
British Registered Design Mark, such as those more often seen on pottery than on jewelry. This is from 1883 on a small pin that I think is cut steel. Photo courtesy Linda Jo D. Mitchell.
Pamar on pair vintage beaded earrings Photo courtesy justabunchawildflowers.
Jay Photo courtesy Nancy Hopper.
found on vintage butterfly brooch.
Photo courtesy Elisa DeCarlo.
Josane on beautiful multi-colored rhinestone earrings Photo courtesy Sally Notarius.
Agnew Photo courtesy justabunchawildflowers.
both marks on same piece Photo courtesy John Bene.
on dress clip Photo courtesy Cheri Van Hoover.
PJC on 1930's dress clip Photo courtesy John Bene.
Amerique Photo courtesy Gloria Barnhart.
Omar Originals Photo courtesy Frank of IncredibleJewelry
K.J. Photo courtesy RCJ
Bluette Made in France Photo courtesy RCJ
" CP " Photo courtesy .
"Don Best, Jewelry Made in USA" Photo courtesy Adrienne Shivers.
Encore Photo courtesy Lyn Peightal.
Gils Photo courtesy Lyn Peightal.
Mazzola Photo courtesy justabunchawildflowers.
Artisan NY Courtesy Karen Bird.
"HG " Courtesy Terri Rex.
Dionne Courtesy Lyn Peightal.
Sterling Copper Merrifield Hand Made Canada
KR Courtesy Shirley Hanick
Clarion Courtesy Alice Leonard
C.Y.F. Courtesy Evelyn Phillips
Lagon Courtesy Diana Taylor
Regina Courtesy Deb Schneider
Gray Kingsburg Courtesy Deb Schneider; 
Gray Kingsburg N.Y. - found on a Dress Clip with Chains and Dangly Metal Beads
Courtesy Becky Sweet
Celeste Courtesy RCJ
KJ with smaller NE Courtesy Kristy Lee
Charlin-- could this be Oscar Charlin? Courtesy justabunchawildflowers
Chameleon Courtesy justabunchawildflowers
Charles Jerome Courtesy Sammie
RASCO Courtesy justabunchawildflowers
REPLICA Courtesy Lilly Vittetow
Marquise Courtesy Mary Baker
© PAM Courtesy eclecticgramma
Colco Courtesy Linda Lange
Courtesy Nona Grampp
Courtesy Lilly Vittetow
"Rachel Australia" on a shell necklace -- Courtesy RCJ
Meow -- Courtesy Deb Schneider
So far, found only on guilloche costume jewelry pieces -- Courtesy Karen Thompson
De Clemente -- Courtesy Lilly Vittetow
Palmtree and a "P" 1/20 12KT Gold Filled Pin Courtesy
Erica Connors
Both marks on a Sterling bracelet Courtesy Barb Jackson
Dolsa - on a lamb charm bracelet Courtesy Susan E. SinghA B C Coro D E F G H I J K L M N O P Q R S T U V W X-Z Question Marks?? RCJ Home
"c." = "circa" = within ten years before or after a date
