1871. 4 sk. 13.tryk. Plating of both A and B-sheets with totally 134 different positions incl. pos. A18 and A77 with INVERTED FRAMES. Pos. A77 in a BLOCK OF 12. This last print in 4 sk. is very scarce and under estimated and the inverted frames is exceedingly rare. Mostly fine condition incl. many very beautiful copies, but also stamps with obvious defects. Ex. Lasse Nielsen. (Also more than 50 extra copies in very mixed condition)