1 1/2 Sch. carmin in the horizontal on all sides in perfect condition roulette strip of three, clear used with two blue double circle. "ST. P. E. 1. Hamburg 11 / 7 67" on piece, signed Schmitt, angel, Thier, Friedel and certificate with photograph Lange BPP (2014) : "perfect condition. " - scarce strip unit of this stamp!