549 Pilgrim Tercentenary 2¢, Dec 21, 1920 Wash DC slogan cancel w/ Pilgrim cachet glued on, addr painted out, per Mellone catalog only (50 to 75) exist, minor edge faults, F-VF (Image)

Cat. $700 SE

C10a Complete bklt pane/3 w/ tab tied by green Cleveland Midwestern Philatelic Sta cancel, blue airplane w/ Midwestern Philatelic Exhibition R/S cachet, faded addr covered by blank label (Mellone $1,000), slight edge wear, F-VF (Image)

Cat. $800 SE