圣保禄六世--乔瓦尼-巴蒂斯塔-蒙蒂尼（Giovanni Battista MONTINI，1897-1978 年，1963 年当选教皇，2014 年封圣，2018 年封圣）/亲笔签名为 "J B Montinist、作为代笔写给教皇国务秘书（他是教皇庇护十二世最亲密的合作者）的信，信纸上刻有 "Secreteria di Stato di Sua Santita "字样，发自梵蒂冈，1951 年 7 月 3 日，1 页中 4 页（带有字样的精美水印）：他代表教皇感谢他的通讯员给他寄来专门介绍圣母颂的小册子，"教皇非常欣赏这一版本的价值，他知道这一举动是出于孝顺和尊敬的情感，教皇指示我向您和您的所有合作者表达他的谢意"/随信附上：保罗六世从 1966 年到 1973 年的 6 张贺卡和两张他的大幅原版新闻照片（每张 19 x 24 厘米，带有印刷标题）。

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.