Worldwide sale. 19th century piano lamp. Beautiful square oil lamp top in two-tone opaline glass. It is celadon green at the top fading to white. Square shape with 4 cut corners. Fine gold enamel decoration of Virginia creeper leaves. The bobeche is complete and clean, in gilded brass. 9.5 cm on each side and 17 cm high. Good condition. Beautiful top to place on a candlestick.