2 S. light gray ultramarine, item in very fine condition as a single franking on invoice cover from Kiel, contents which are more completely printed partly and written in Danish. With a soft duplex cancel " 191 - DPSK.P.EXP. 23 6 (1867) No4 " the Danish ship mail to Kobenhagen/Denmark (arrival postmark). Rare postage paid with a rare cancellation!