5 Groschen small breast shield, ochre-brown, block of four from left margin of sheet, unused with original gum, having bright colours and excellent embossed extremely fine copy, faultless condition, expertized Hennies BPP and photo expertize Hansmichael Krug BPP (2023) \"in perfect condition. Unused blocks of four of this stamp are very rare. \", Michel 6.000.-