10c Yellow (116). Rich
color, tied by "N. York Steamship Jul. 7" circular datestamp on
folded cover to Halifax, Nova Scotia, faint vertical file fold well
clear of stamp, fresh and Very Fine, probably originated in Cuba or Puerto
Rico, ex Tows (Image) 
10c Yellow (116). Three,
bright color, tied by red crossroads cancels on manila cover to
Havana, Cuba, Philadelphia origin (part of corner card at left), "NA"
in oval and "6" handstamps, reduced at left, some wear, small stamp faults,
otherwise Fine, extremely rare triple-rate usage and unusual red cancels (Image) 
10c Yellow (116). Corner
crease, tied by circle of wedges cancel, "New-York Jan. 5" circular
datestamp on small cover to naval office at Aspinwall, New Granada,
carried back to U.S. in diplomatic pouch, posted to N.Y. with "Washington
D.C. Mar. 14" circular datestamp and "Forwarded" straightline, slightly
reduced at top, small mended opening nick, otherwise Very Fine, unusual
usage, signed Ashbrook (Image) 
3c Ultramarine (114). Used
with 15c Black, F. Grill (98), tied by circle of wedges cancel and
"Boston Mass. Jul. 21 3P.M." duplex datestamp on 1869 cover with printed
address to Rosario, Argentina, "Etats-Unis Paq. Fr. K No. 1 22 Aout
69" octagonal transit, red "7½" credit datestamp and blue "5c" rate
notation, docketing at right, slightly reduced at topVERY FINE. AN EXTREMELY RARE MIXED-ISSUE FRANKING FOR THE 18-CENT RATE TO ARGENTINA VIA AMERICAN AND FRENCH PACKET.
The 18c rate applied to letters under ½ ounce carried by American packet to Rio de Janeiro, and from there by French packet to Buenos Aires.
Ex Knapp. Signed Ashbrook. (Image)