George Frost Arts & Crafts stick pins

George Frost / The Frost Arts & Crafts Workshop
stick pins with acid-etched decoration, group of three
Dayton, Ohio
brass, amethyst, pink glass
stamped marks
one decorated with a Viking ship, the other two set with cabochons
Viking ship example (face): 5/8"w x 11/16"h; length: 2 5/8"l

Provenance:
The Paul & Terry Somerson Collection of 20th and 21st Century Metalwork and Jewelry
Condition Report: Each with rustic finish and varied patination, by design. No apparent issues to the cabochons.