1 / 2 Groschen small breast shield, brick red, mint never hinged, photo expertize Sommer BPP: "the stamp has untreated original gum as issued - they is mint never hinged. Reverse small brownish gum spot, tiny splintering in the upper margin. The stamp has still a part of durchgummierten white sheet upper margin. Mint never hinged + Groschen stamps small breast shield are very rare. ", Michel 7. 500.