Signed Vintage Antique Enamel Sterling Silver turn of century to early Art Deco Pin with old very wide C catch and rich vibrant multi color abstract enamel guilloche colors yellow, blue, black, orange & green.
2 1/8 X 1/8.
Stamped: OB Sterling for Ostby & Barton Company of nearby Providence, RI. He was the largest ring manufacturer in the world then. How many enamel pins did his company make?
Ostby perished on the Titanic while his daughter Helen survived.
$10 USPS Priority/Ins/Track or Free with your USA Ck or USPS MO.
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