6 Pfg Otto from Guericke with variety "1680 in lieu of 1686", lot of 49 mint never hinged as well 26 cancelled copies, the previously in the Michel catalogue noted variety is now described in the selfsame as follows "the early under the Michel-no. 608I listed variation "1680 in lieu of 1686" has be being an accident in printing proved. ", for someone with the necessary imagination for today's marketing