Emerald and diamond jabot pin, Raymond Yard, 1920s. Photo Sotheby's

Composed of two carved emerald beads, accented with single-cut and baguette diamonds, signed Yard. Estimate 4,000-5,000 GBP

NOTE: Raymond C. Yard began his jewellery career at the age of thirteen in 1898 at Marcus & Co rising through the ranks, learning all the aspects of the industry, from production to sales. Some 20 years after he first began his career s at Marcus & Co. Yard was the most sought after salesman on the floor, soon gaining the patronage of John D. Rockefeller Jr. who encouraged Yard to set out on his own.