Guinea - Conakry 2012 Chess Grandmasters - Ruslan Ponomariov imperf souvenir sheet unmounted mint
Guinea - Conakry 2012 Chess Grandmasters - Ruslan Ponomariov imperf souvenir sheet unmounted mint
Guinea - Conakry 2012 Chess Grandmasters - Ruslan Ponomariov imperf souvenir sheet unmounted mint