Die of seal in bronze engraved with the shield of the Barberini family, inscriptions on the orle CAROLVS . MARIA . PRINCEPS . BALI . BARBERINI . DVX . MONT . LIBRETTI, coat of arms azure with three bees or, ensigned by a tiara and petrine keys, surmounted by a ducal crown supported by two putti Italy, late 18th century D: 5.3 cm (small accidents and scratches) Provenance: Former collection of the Count of R, Eve sale, Paris, Drouot of June 24, 2015, lot 151 Carlo Maria Barberini-Colonna di Sciarra (1738-1819) was duke of Montelibretti and prince of Palestrina. He died in Florence in 1819.

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.