Air Mail Plate Block Assortment, attractive group featuring plate blocks, large multiples and booklet panes mostly all never hinged, includes plates of C7-9 (C8 x 2), C11 x 2, C19, C20 block of 16 with plate number, C22, C31 block of 15 and 30 and others, also nice C10a NH, some misc singles etc. worth inspection. Estimate  $400 - 600. $0