Ostby Barton Signet Ring Value Guide

This Ostby Barton signet ring is a premier example of early 20th-century American craftsmanship, featuring a classic oval face and intricate filigree shoulders. Its collectibility is deeply enhanced by the tragic history of co-founder Engelhart Cornelius Ostby, who famously perished during the sinking of the Titanic in 1912.

What Is Ostby Barton Signet Ring Worth?

The typical price range for Ostby Barton Signet Ring is $450 - $495 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• The historical connection to the Titanic disaster significantly drives demand and premium pricing among maritime collectors.
• The presence of a clear, legible 'O-B' maker's mark is essential for reaching the $450-$495 value range.
• Condition of the delicate filigree work, as wear or thinning on the shoulders can decrease the item's market value.
• The quality and clarity of the star-set diamond accent compared to typical examples from the same era.

How to Identify Ostby Barton Signet Ring?

• Look for the distinct 'O-B' hallmark stamped inside the shank, often accompanied by the gold purity mark.
• Examine the star-set diamond mounting, a signature decorative technique used by the Providence, Rhode Island firm.
• Verify the specific Edwardian-era filigree patterns on the shoulders which are characteristic of their 1910-1920 production.
• Check for the 10K gold stamp which aligns with the manufacturer's standard material usage for this period.

History of Ostby Barton Signet Ring

Ostby & Barton was an iconic American jewelry manufacturer based in Providence, Rhode Island. The company became historically significant after its co-founder, Engelhart Cornelius Ostby, perished in the sinking of the Titanic in 1912. The brand is highly sought after by collectors of memorial and early 20th-century American jewelry.