Tanzania 1986 World Chess/Rotary 20s marginal single with red omitted plus normal unmounted mint (SG 461var)*
Tanzania 1986 World Chess/Rotary 20s marginal single with red omitted plus normal unmounted mint (SG 461var)*
Tanzania 1986 World Chess/Rotary 20s marginal single with red omitted plus normal unmounted mint (SG 461var)*