Chess player - block of stamps mint never hinged, catalog no. 9316-9318, Guinea

This block of stamps on the topic of "chess players" was published on September 20, 2012 and contains three stamps. The stamps show: 5000 Fr, Wladimir Kramnik (* 1975) and Wesselin Topalow (* 1975); 15000 Fr, Ruslan Ponomarjow (* 1983), Rustam Kasimjanov (* 1979); 20000 Fr, Boris Gelfand (* 1968) and Viswanathan Anand (* 1969). The edge of the block shows Pavel Tretyakov (1832-1898), Russian art patron, after whom the famous Tretyakov Gallery in Moscow, where the 2012 World Chess Championship took place, is named. The emblem of the UPU Congress in Doha is depicted on the upper edge of the block. Catalog no. 9316-9318, mint never hinged.