Estimate: $5,000 - $7,000
Auction: October 17, 2017 11:00:00 AM EDT
Circular form, set with 21 brilliants and 21 rose cuts, marked on pin and also on clasp with A*H for Hollming, and the left-facing kokoshnik mark with marks for assay master Yakov Lyapunov, 56 standard, also marked 56 on edge.
Dia: 1 3/8 in.