unmounted mint 1923, 2c-1l April-May overprints (N51-N59, Michel 174-182), complete sheets of 100, many with sheet margins all around, each sheet showing the constant overprint types, never hinged, 3c on 40m with seven faulty stamps, otherwise fine-very fine, Scott retail $4,000.00 (as hinged singles), Michel DM27,500 (for least expensive type)