一枚爱德华时代新艺术银扣和六枚配套纽扣、 银扣由 S. Jacob 制作，纽扣由金匠银匠公司制作，均为 1908 年伦敦制造、 穿孔并錾刻水仙花和叶状卷轴装饰，装在一个装有钮扣的盒子里，钮扣长 7.8 厘米，重 2.1 盎司。

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.