Rare ovoid cup in sardony mounted on a gilded copper foot fo - Lot 3

Rare ovoid cup in sardony mounted on a gilded copper foot forming a chalice Stone: Byzantium, 6th-11th century Mounting: Germany ? 15th-16th century H. 21 cm; diam. 11 cm Provenance Private collection, Denmark Bibliography Dario del Bufalo, Murrina Vasa, A luxury of Imperial Rome, Bibliotheca Archaeologica, 53, Rome, 2016, p. 49, no. 17 Comparative bibliography Dario del Bufalo, Murrina Vasa, A luxury of Imperial Rome, Bibliotheca Archaeologica, 53, Rome, 2016, p. 99, no. 190. Paola Venturelli; Il Tesoro dei Medici al Museo degli Argenti. Oggetti preziosi in cristallo e pietre dure nelle collezioni di Palazzo Pitti, Florence 2009, p.40, no. 9. Condition: good, gilding worn and slightly oxidized on the foot (later assembly of bowl and foot) A similar bowl is preserved at the Museo degli argenti in Florence (inv. Gemme del 1921, no. 787).