ADAM'S Fine Jewellery & Ladies Watches 13th May 2025

59 63 A RETRO AMETHYST RING, FRENCH, CIRCA 1940 Of tank design, the elongated rectangular-cut amethyst weighing approximately 11.00cts, horizontally-set within collet-setting, to a geometric pierced mount, mount- ed in 18K gold, with maker’s mark ‘MD’, French assay mark, ring size F € 1,200 - 1,800 64 AN ART DECO CHRYSOPRASE AND ROCK CRYSTAL BRACELET, FRENCH, CIRCA 1930 Designed as a series of sugarloaf-shaped green chrysoprase cabochons, between openwork rock crystal links, with polished gold connectors, mounted in 18K gold, with maker’s mark ‘MC’ for Maximo Cuesta, French assay marks, length 19cm € 8,000 - 9,000 Lorenzo Marzo (1865–1929) was a Spanish jeweller, who relocated to Paris in the early 1890s and founded his own workshop in 1901. In 1911, he entered a ten-year partnership with Eugène Laillet under the name Marzo & Laillet. Following Lorenzo Marzo’s death in 1929, the business was taken over by his son Rafael Marzo. The maker’s mark registered by Lorenzo Marzo consisted of a pair of pincers flanked by the initials “LM” inside a horizontal lozenge. Other pieces associated with the firm feature the initials “MC” in a similar lozenge, markedwith a three-legged rooster. Thismark corre - sponds to Maximo Cuesta, whose registration was active from 1919 to 1936. Cuesta was connected to the family through Rafael Marzo’s marriage to Conchita Cuesta.