SvetlanaS, From the article on the site
ARTinvestment.RU:
February 24 at Christie's held a daytime and evening auctions works from the collection of Yves Saint Laurent and Pierre Berge, "....." preliminary assessment exceeded almost all the works in the top ten most expensive lots. For example, painting" Portrait of Giusto Ferdinando Tanduchchi with notes "Hand of Thomas Gainsborough (Thomas Gainsborough) went for 2.2 million euros (2.8 million) at a very modest Estimé 400-600 thousand euros .........
http://artinvestment.ru /invest/anal...nt_24_feb.html
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Your work is indeed small, but also of great interest to collectors, subject to the authenticity of this work.
In the Internet by request: "Thomas Gainsborough Sotheby's", you'll find selling at auctions this artist.
Sergei rights, we must show in the Pushkin Museum named after Pushkin.
Best regards.