Costume Jewelry Collectors Int’l
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RESEARCHING COSTUME JEWELRY
originally created and published by Dotty Stringfield on IllusionJewels.com
Jewelry History – Jewelry Research – Jewelry Marks – Jewelry Signatures – Jewelry Articles – Jewelry Galleries
COSTUME JEWELRY MARKS – O*
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OLD CREST — See KIRSCHMAN, LEWIS CO., INC. — c. 1947
OLEG CASSINI — See CASSINI, OLEG
OLENSKA, CHRYSTYA — c. Jan. 1966
OMAR, INC. — New York
OSCAR CHARLIN — See CHARLIN, OSCAR
OSCAR DE LA RENTA — NY, NY
OSTER, MICHAEL — c. May 1967
OTIS COMPANY, Providence RI — c. 1934
Updated 8/18/2020 by Pamela Wiggins Siegel
OSTBY AND BARTON CO. — Providence RI — c. 1880
OUR LITTLE DARLING — See CORO
PAT SEAL: research files
DOTTY STRINGFIELD: research files
BOBYE SYVERSON: research files.
A TRIBUTE TO AMERICA by Carla and Roberto Brunialti
AMERICAN COSTUME JEWELRY by Carla and Roberto Brunialti
AMERICAN JEWELRY MANUFACTURERS by Dorothy T. Rainwater
COLLECTIBLE COSTUME JEWELRY by Cherri Simonds
COLLECTING COSTUME JEWELRY 101 By Julia Carroll
COLLECTING COSTUME JEWELRY 202 By Julia Carroll
COLLECTING RHINESTONE COLORED JEWELRY by Maryanne Dolan
COPPER ART JEWELRY by Burkholz and Kaplan
COSTUME JEWELRY A PRACTICAL HANDBOOK AND GUIDE by Fred Rezazadeh
COSTUME JEWELRY (2nd Ed.) by Harrice Simons Miller
EUROPEAN DESIGNER JEWELRY by Ginger Moro
INSIDE THE JEWELRY BOX By Ann Pitman
LUCILLE TEMPESTA: owner-publisher of the Vintage Fashion & Costume Jewelry Magazine
MASTERPIECES OF COSTUME JEWELRY by Ball and Torem
MID-CENTURY PLASTIC JEWELRY By Susan Klein
MIRIAM HASKELL JEWELRY by Cathy Gordon and Sheila Pamfiloff
OLD JEWELRY by Jeanenne Bell
WARMAN’S JEWELRY 2nd Ed. by Christie Romero
WARMAN’S JEWELRY 3rd Ed. by Christie Romero
*DISCLAIMER: As in the past, we make every effort to ensure all information contained in the RCJ pages is accurate. However, errors can occur. Neither the prior owner of RCJ, CJCI or its representatives are responsible for your use of these resources.
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All RCJ publications and pages were created
by Dotty Stringfield with the assistance of research contributor Pat Seal
and other valued members of the costume jewelry collecting community.