| http://www.w3.org/ns/prov#value | - His collection was built up over the course of ten visits to the Soviet Union from the 1970s through Perestroika, and includes works by artists, such as Ilya Kabakov, Vitaly Komar, and Alex Melamid, who have, through his efforts, become some of the most widely-recognized and prosperous unofficial Russian artists.
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