USSR World Chess Championship match. Petrosyan - Spassky (Матч на первенство мира по шахматам. Петросян - Спасский) |
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Chess pieces knight and rook, the image of the globe. Commemorative inscription "Petrosyan-Spassky"
The stamp was used in the post office opened at the match in the building of the Moscow Variety Theater from April 14 to June 17, 1969.
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