7 kreuzer small breast shield, gray ultramarine, block of four, especially having bright colours and good embossed extremely fine copy with perfect perfs, unused with full original gum with only slight affixed spots, so far is no an additional unused block of four of this stamp registered, it is an unique piece in exceptional good quality! Unsigned, photo expertize Hansmichael Krug BPP (2023) \"in perfect condition. \"