cover 1877 envelope from Grenaa to Chemnitz, Saxony (via Hamburg) bearing 1875 bi-coloured 12ö. and 20ö. (3, a pair and single, all with inverted frames), showing fine framed "Aus (über) Dänemark/via Hamburg 2/Porto von Wovens" h.s., reverse with datestamps of Kolding, Hamburg and Chemnitz. Photo