The Russian word "Delo" means "Case [file]". There is, most likely, nothing inside. It's a Russian version of a report cover with the word "Delo" pre-printed, a studio prop in this case. Such covers were sold even in the Soviet times in stationary stores.
Boris Feldblyum Architectural Photography * 8510 Wild Olive Drive, Potomac, MD 20854, USA * 301-424-2654 * http://www.bfcollection.net
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