Tanzania 1986 World Chess/Rotary 20s in imperf sheet of 12 (2 panes of 6) as SG 461 unmounted mint
Tanzania 1986 World Chess/Rotary 20s in imperf sheet of 12 (2 panes of 6) as SG 461 unmounted mint
Tanzania 1986 World Chess/Rotary 20s in imperf sheet of 12 (2 panes of 6) as SG 461 unmounted mint