1873, 10¢ brown. In combination with 1873, 6¢ dull pink (#159) to cover addressed to Gaboon River, Lower Guinea, West Africa, from the Dr. Nassau correspondence and one of the earliest of the small group, red Trenton origin postmark and cancels, New York "50" exchange, original letter, Very Fine. Scott No. 161+159  Estimate $2,000 - 3,000. $0 (Image)

1873, 10¢ brown. With 15¢ orange, tied by "Northampton Mass. Jan 20" duplex on 1876 Lyman correspondence cover to Yedo Japan at double the 12¢ treaty rate, corresponding red "2", partial red "Yokohama Paid All Mar 2" backstamp, Japanese instructions on reverse, pencil "R 2 Mar 1876" docketing, stamp faults, Fine, The Only Recorded Example of This Franking Prepaying the 12¢ Treaty Rate To Japan, which was only valid three months from Jan. 1 to Mar. 30, 1876. Scott No. 161+163  Estimate $2,000 - 3,000. $0 (Image)