The Kalo Shop stick pin with jade cabochon face

The Kalo Shop
stick pin with a bezel set cabochon stone
Chicago, Illinois
sterling silver, jade
stamped marks
1.7 dwts
face: 3/8"w x 3/4"h; 2 3/4"l

Provenance:
The Paul & Terry Somerson Collection of 20th and 21st Century Metalwork and Jewelry

Literature:
Berberian, Rosalie, Creating Beauty: Jewelry and Enamels of the American Arts & Crafts Movement, Schiffer, 2019, p. 16
Condition Report: Light surface scratches, typical of age, use and polishing. No issues to the stone. Some tarnish and dirt residue in the crevices. Stamped: Kalo Sterling.