A Byzantine iridescent stemmed glass lamp, 6th century or later, made in thick yellowish-green glass with a tapering body and pushed-in solid stem that has created a protrusion on the bottom of the body, 15cm high, 7.5cm diam Provenance: Christie's New York, Antiquities, 4 June 2008, Lot 159; Archeologie, Arts Asiatiques, Art Precolombien, Collin du Bocage, Paris, 19th December 2012, Lot 141 Note: These stemmed glass lamps were designed to be supported in a polycandelon, mostly made of bronze, which were used to create larger areas of light especially in churches, above the altar and other important areas (cf. D.B. Whitehouse, Roman Glass in The Corning Museum of Glass, Vol. I, Corning, NY 1997, pp. 194-5, no. 330). This example is more unusual with a taller body and shorter stem.Please refer to department for condition report