This is an Art Nouveau hand crafted 10k yellow gold ring with a blue topaz gemstone, beautiful ring and is available in my store. It is a size 5.5, hallmarked 10K, signed OB for Otsby & Barton.
Engelhart Cornelius Ostby is a famous, well skilled jeweler, well known for perishing on the Titanic. After the impact, he and his daughter, Helen, went out on deck. Engelhart decided to go back to his room to get warmer clothing. That was the last time Helen ever saw her father.