Lot 3949 | 31st Auction

Spanien

1907, Madrid Industrial Exhibition, set of 36 imperforate colour proof mini sheets of eight stamps: each value printed in all six colours "Red", "Violet", "Light blue", "Green", "Claret" and "Brown" (which were chosen for the finally issued stamps), on ungummed paper. 288 proofs in total. Rare and attractive offer! Michel A I a-f, Edifil SR 1/6.