United States, Plate Block Collection, 1898-1973. Lovely neatly arranged in mounts in Scott Specialty 3-hole punched albums, including 5¢ Louisiana Purchase, early perf & imperf commemoratives, later Washington-Franklins, 1922 designs to $2, #579, Kansas-Nebraska overprints complete, White Plains SS, Presidentials with 2 each $1-$5, $5 Hamilton, some better Airs; a few with blocks of 4 instead of 6 with pl #'s; vast majority never hinged with a few lower values LH, condition generally F-VF to VF, please inspect. Estimate  $3,000 - 4,000. $0