unmounted mint Block of Four (22c) Navajo Art, black omitted (2238b), mint 'se-tenant' block of four, never hinged, 'Navajo Art', 'USA' and '22' omitted, fine-very fine, with 1991 P.F. certificate, Datz states 150-200 blocks of four known, Datz $375.00, Scott retail $350.00 est.

Details

unmounted mint Block of Four (22c) Navajo Art, black omitted (2238b), mint 'se-tenant' block of four, never hinged, 'Navajo Art', 'USA' and '22' omitted, fine-very fine, with 1991 P.F. certificate, Datz states 150-200 blocks of four known, Datz $375.00, Scott retail $350.00 est.