unused 1861-1950's, hundreds of unused singles and blocks, wide range of issues represented, some freaks and varieties of no. O27 incl. shifted overprint, no period after 'B', missing hyphen, misperfed incl. T.R. sheet margin block of four with T.R. stamp imperf. at T., few faults, most fine-very fine, Scott retail $1,500.00+est.