1 silver penny carmine rose, above very close margins otherwise with wide margins cut extremely fine copy as a single franking on cover with handwritten posting \"Eschweiler\" and stamp with cancellation through red nummeral cancel \"1748\" Cologne, addressed to Aachen, impeccable, expertized Pfenniger and photo expertize Mary Brettl International Association for Philatelie Experts (2014) : \"fresh colour and in fine, perfect condition. The scarce red nummeral cancel is clear and centred printed. \" - red nummeral cancel on cover are rare, with the handwritten posting an interesting document!