6 / 4 Ggr. on gray brown, having bright colors unit on piece, the left 4 / 4-Marke on all sides having full margins and with small glueing fold, at the vertical margin line the right 2 / 4-Marke runs a letter crease across, clean tied by two ring cancel from "Brunswick 10 MRZ 1857", town postmark cancellations are on of this stamp scarce, existing from 10. day of using of the stamp, expertized Brettl