1866, 10 Pen. black on ordinary brown-yellow paper, perf. I / A (1873) in horizontal pair (few shorter teeth) on fresh cover cancelled on arrival with two boxed ANK 21 8 and cds BJÖRNEBERG 20 8 beneath, sent to Kristinestad, ex Dr. Farberge, very scarce letter and the only known(!) ANK-cancel. (Katalog-Nr.: Mi. 7 Ay (2))