A SAPPHIRE, RUBY AND DIAMOND AMERICAN FLAG BROOCH, BY J.E. CALDWELL & CO.
The undulating calibré-cut ruby and baguette-cut diamond flag enhanced by single-cut diamond stars on a calibré-cut sapphire field, attached to a circular-cut diamond pole by a diamond tasseled cord, mounted in platinum
Signed J.E.C. & Co. for J.E. Caldwell & Co., made by Oscar Heyman & Brothers