Korchnoi

Philippines   July 17, 1978       World Championship, Baguio City

168. R + Kn	169. R + Kn

Korea (N)   December 28, 1980       World Championship, Merano

211. Korchnoi and Karpov

Djibouti   December, 1981       World Championship, Merano

225. Overprint

Mali   December 31, 1981       World Championship, Merano

227. Overprint

Chad   December 24, 1982      

254. MS - Korchnoi

Central Africa   January 15, 1983      

265. MS - Korchnoi & Karpov

Chad   December 27, 1983       60th Anniversary of FIDE (1924-84)

309. MS - Korchnoi (overprint)

Upper Volta   May 21, 1984      

327. Karpov