Public & LIVE Bid Auction 651. Large Hermes Heads Exceptional Stamps from Great Collections

1 lepton plate proof, printing on both sides. One side in blackish brown with strong white contour due to poor "decoupage", the other side printed inverted and in double impression, in blackish brown and in yellowish brown. A light thin spot at lower margin, mentioned just for accuracy. A case not mentioned in Konstantinidis study. Very fine and rare.