1dr/40l. bronze on blue 1900 "AM" Large Hermes Heads Surcharges in upper marginal copy perf. 11 1/2 canc. "ΑΘΗΝΑΙ-8*4.ΝΟ..19..", control number displaced (Kound. 54.6.c). A very rare control number error on surcharged Large Hermes Head. Very fine and very rare. (Hellas 153b).