unused Officials, 1873-79, sixteen items (fifteen unused), unused singles incl. nos. O7, O24, O27, O30, O58, O61, O65, O83 and O102; blocks of four incl. nos. O51, O76, O84, O85, O87 and O101, also incl. no. O76 used block of six with ms. cancel, virtually all o.g. or part o.g. (a few disturbed), mixed centering, some have small faults, otherwise generally fine lot, Scott retail $2,847.50 est.