Württemberg, 1861, 18kr dark blue on thin paper, horizontal pair + 1862, 6kr green. Paying the 42kr rate (7kr + 35kr beyond border) to New York, United States, tied by "Calk, 30, 3, 63" origin cds's, red "Aachen, Paid 23 Cts., 31/3" transit and "N. York Am. Pkt., 28 Paid, Apr 14" entry cds, Mainz, Coln transit on reverse; some minor perf toning, slight separation in 18kr pair at bottom, otherwise Very Fine, a very scarce combination usage; with 1986 Thoma certificate. Michel No. 20y+23a  Estimate $2,000 - 3,000. $0 (Image)