unused Back of the Book, 1865-1956, twelve unused items, singles of nos. PR2 and PR3a (both without gum as issued), PR79 (regummed), Q10 and Q12, unused block of nos. O125 and WS8, plate no. blocks of four of nos. S1, S3, WS8-WS10, nearly all items have o.g., most of the plate no. blocks are never hinged, some have faults, otherwise very good-very fine lot, Scott retail $1,189.25 est.