A Chinese carved Peking blue glass vase, Qing Dynasty, the rounded body tapering to a tall slender neck with lipped rim, decorated in relief with bifid-tailed dragons entwined to form an overall design, the whole supported on a splayed foot and the transparent body of cobalt blue tone, engraved to the base with Qianlong four character mark,16.5cm high Provenance: Purchased by the current owner at Sotheby's, London, 12th November, 1979, lot 102, from the collection of Professor P.H. Plesch and Mrs T. Plesch and prior to that in the Henrich Collection. This lot was described in the Sotheby's catalogue Qianlong mark and period.清 蓝玻璃龙纹长颈瓶拍品来源： P.H. Plesch教授夫妇私藏，起初于 1979年 11月 12日购自伦敦苏富比 some surface blemishes