A commemorative diamond plaque awarded to the Olympic group by the Supraphon publishing house for the sale of 4,350,000 audio carriers in the period 1964-2012. Housed in a blue windshield frame, the board features CDs and reproductions of Olympic's iconic album covers such as "Turtle," "Wolverine," "Let's Go," "Marathon," "Street," "Kanagom," "Lab" and more. In the middle is the inscription "O...