unmounted mint Block Larger Than four 1931-32, 10c-50c Portraits (517-523), all in unused blocks of twenty-five, full o.g., most blocks have one stamp with pencil number on reverse, majority of stamps never hinged, few light bends, also similar blocks of nos. 526, 532 (seven stamps hinged), 534 (three stamps with pencil notations), 484 (few nibbed perfs. and one stamp damaged), 486, mostly fine-very fine, Scott retail $2,515.75