Maker's Marks - which indicate the designer or manufacturer of a piece - are often confused with hallmarks, which indicate metal content. Listed below are the maker's marks of well-known American modernist jewelers.

Allan Adler

Vera Allison

Otto R. Bade

Frances Holmes Boothby

Merle N. Boyer

Jules Brenner

John Bryan

Irvin (& Bonnie) Burkee

Maxwell Chayat

Betty Cooke

Finegem Co.

Elsa Freund

Phyllis Jacobs

Arthur King

Sam Kramer

Idella La Vista

Ed Levin

Esther Lewittes

Paul Lobel

Peter Macciarini

Macefield
(William Mason & Leonard Field)

Everett McDonald

Paul Miller

Frank Miraglia

James Parker

Mary Parker
(attributed)

Frank Patania, Sr.

Ronald Hayes Pearson

Robert Pierron

Pedro Pujol

Francisco Rebajes

Merry Renk

Ruth Roach

Caroline Gleick Rosene

George Salo

Christian Schmidt

Russell Secrest

The Silversmith Shop

Fred Skaggs

Art Smith

Noble Smith

Henry Steig

Carl Tasha

Bill Tendler

Paul Voltaire

Ed Wiener