The Kalo Shop stick pin with an inset pearl face

The Kalo Shop
stick pin with an inset natural stone
Chicago, Illinois
sterling silver, freshwater pearl
stamped marks
1.4 dwts
face: 7/16"w x 11/16"h; 2 5/8"l

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. No issues to the pearl. Some dirt residue in the crevices. Stamped: Sterling / Kalo.