A group of four antique Russian egg pendants: a gold mounted beige with pink inclusions jasper egg, St. Petersburg 1899-1904, marked with maker’s mark, ‘ЯЛ’ for assay master Yakov Liapunov, and 56 zolotnik gold standard (14K), length without suspension ring – 16 mm (5/8 in.);  a gold mounted burgundy red jasper egg, Kazan 1899-1908, marked with maker’s mark, initials ‘ И А ‘ for Kazan assay master Ivan Ado, and 56 zolotnik gold standard, length – 12 mm (1/2 in.);  a gold mounted green nephrite jade egg, made between 1908 and 1917, marked with 56 zolotnik gold standard, length – 15 mm (9/16 in.);  a silver mounted glass egg painted to imitate malachite, circa 1900, unmarked, length – 15 mm (9/16 in.)