The Jarvie Shop rare hat pin with Ruskin cabochon

The Jarvie Shop
hat pin set with a Ruskin cabochon
Chicago, Illinois
sterling silver, enamel, steel
stamped marks
4.5 dwts
5/8"dia x 10 1/8"l

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

Catalog Note:
Jewelry by The Jarvie Shop is extremely rare and previously only three works were known to exist, this hat pin being one of them. With the newly surfaced brooch offered in the previous lot, this is one of only four known examples of jewelry to exist.
Condition Report: Silver with light surface scratches, typical of age, use and polishing. No issues to the Ruskin insert. Some oxidation in areas along the pin. Stamped: Jarvie / Sterling.