Designer marks

Ciro Pearls Ltd marks

6 marks.

From 1938

Marks & lettering

6 marks

From 1938

The source reports first use of the script mark in 1938.

Undated

A is placed above the C.

Undated

England

Octagonal screw back. The source also reports unsigned earrings in original Ciro presentation boxes.

Undated

England

Undated

The source lists 1993 but states that the crown-in-O mark may never have been used.

A is placed inside the O.

Undated

signature plate over a Swoboda signature.

Swoboda manufactured some jewelry for Ciro.