The Kalo Shop bar pin/brooch with leaf decoration

The Kalo Shop
bar pin / brooch with leaf decoration flanking the inset stone
Chicago, Illinois
sterling silver, blister pearl
stamped marks
2.1 dwts
1 7/8"w x 1/2"h

Provenance:
The Paul & Terry Somerson Collection of 20th and 21st Century Metalwork and Jewelry
Condition Report: Light surface scratches, typical of age, use and polishing. Some stubborn tarnish in areas. Nice iridescence to the pearl. Stamped: Sterling / Kalo.