Frank AuerbachPrimrose Hill Summer Sunshine 1964 Arts Council Collection Southbank Centre Frank Auerbach courtesy Marlborough Fine Art

Rough Diamond, Enamel and Gold Egg Creation with Snowman Pendant-"The Winter Egg" By Manfred Wild, Idar-Oberstein, Germany. Photo courtesy Bonhams.

Evokative of a frosty wintery landscape this unique egg creation features white guilloche enamel decoration to the egg which rests atop a jewel-like base of lustrous quartz crystals, with 300 diamonds, weighing approximately 2.59 carats, the rough diamonds weighing approximately 10.0 carats. The hinged lid opening to reveal a removable pendant designed in the form of a snowman, created from a single rough diamond, weighing approximately 29.0 carats. His nose is embellished with a ruby and two faceted sapphires form the eyes, with 5 black diamond "buttons", weighing approximately 0.06 carats, mounted in 18K gold of approximately 143 grams. Height 7in. Sold for US$ 52,500 (€38,004)

Bonhams. GEMS, MINERALS & LAPIDARY WORKS OF ART. Los Angeles. 10 Dec 2013 - www.bonhams.com