Restore department of Tretyakov Gallery head Nadezhda Koshkina with damaged and unable to be originally restored portrait from the Art Museum of Grozny.
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Restore department of Tretyakov Gallery head Nadezhda Koshkina with damaged and unable to be…
Restorer Vitali Spiridonov at the icon delivered from Art museum of Grozny, Chechnya.
