Ledo Earrings Crescent Moon and Furled Ribbon. These earrings measure 1.5 inches high and 1/2 inch wide. These classy earrings have the look of a textured ribbon cinched with a crescent moon of tiny white glass seed pearls. Ralph Polcini was a goldsmith who founded the Polcini Company in 1911. The name was changed to Leading Jewelry Manufacturing Company in 1949, short for Ledo. Ledo and Polcini jewelry is rare and highly collectible. These classic Ledo earrings are sure to garner you many compliments.