Theresienthal - 干杯 - 约 1910 年，新艺术风格，可能是 Theresienthal 玻璃制造厂，设计：Hans Christiansen，8 件、无色玻璃，圆形底座，高而略凸的轴，球形略凹陷的碗，全方位绿色透明绘画，藤蔓装饰，黑色焊料绘画镶框，金色边框，2 件带有蓝白相间的圆点字母图案，无标记，有摩擦，与制造有关的气泡夹杂物，2 件倾斜的轴，1 件边缘有凹凸，极少碎裂，有陈年痕迹，直径约 20.5 厘米

Composed of several subsidiaries, the Drouot Group is a major player in the art market. Hôtel Drouot, located in the heart of Paris, has been the world's largest public auction center since 1852. 15 salerooms are available to more than 70 auction houses. The emulation generated by an annual offer of 230,000 artworks from 21 major specialities - from Antiquity to street art - attracts some 3,000 visitors every day. The Group's digital platform, Drouot.com, offers digital sales - Live auctions (live broadcasting and participation in auctions), Online-only auctions (dematerialised auctions) and Buy Now sales (sales of lots at fixed prices). Nearly 2 million items are offered annually by 600 auction houses. Auction news is reported every week in La Gazette Drouot, the leading weekly magazine for the art market and culture published by Auctionspress.