1 / 3 Groschen large shield, yellowish green, block of four, having bright colours and excellent embossed extremely fine copy, mint never hinged, faultless condition, right lower stamp expertized HK (Horst Krause, Gelsenkirchen) and photo expertize Hansmichael Krug BPP (2023) \"in perfect condition. \", Michel 720.- (for four single values free of premium for the scarce unit)