10c Green, Ty. V (35).
Used with 5c Brown, Ty. II (30A) and 3c Dull Red, Ty. II (26), tied
by large "Paid" grids, red "Boston Paid 12 Mar. 12" credit datestamp on
1861 tissue cover to Paris, France, boxed "P.D." handstamp, French
transit also ties stamps, "Apres le Depart" boxed backstamp, minor
edgewear, Very Fine, a most unusual franking
(Image) 
10c Green, Ty. V (35).
Two, used with 1c Blue, Ty. V (24), tied by red grids and by matching "New
York Am. Pkt. Jun. 16" circular datestamp on 1860 folded cover to
Amsterdam, ms. due markings, London and receiving backstamps, Very
Fine, ex Haas (Image) 
10c Green, Ty. V (35).
Two, used with 1c Blue, Ty. V (24), tied by large "Paid" grids on blue 1860
folded letter to Calcutta, India, red "New-York Am. Pkt. Aug. 4"
circular datestamp, London, Bombay and receiving backstamps, Very Fine (Image) 
10c Green, Ty. V (35).
Two, used with 1c Blue, Ty. V (24) with part imprint at left, tied
by large Boston "Paid" grids on blue 1861 folded letter to Calcutta,
India, Goddard correspondence, "Boston Am. Pkt. May 10" red London and
Calcutta Steam Letter backstamps, top stamp light bend at top right, Very
Fine, on exhibit page describing the route in great detail (Image) 
10c Green, Ty. V (35).
Three, used with 3c Dull Red, Ty. II (26), overlapping and tied by grids,
"Augusta Me. Jan. 19" circular datestamp on orange cover to St. Paul de
Loando, West Coast of Africa, 1861 N.Y. and London transits, with
original contents, some edgewear, Very Fine usage to a scarce destination
(Image) 
12c Black (36).
Horizontal pair, intense shade, choice centering, tied by "N. York
Steamship" dateless circular handstamp on red and blue Standing
Liberty, Flag and Shield Patriotic cover to Columbus O. and
forwarded to Granville O., neat "Columbus O. Aug. 17, 1861"
double-circle datestamp and ms. "Ford. 6", trivial wearVERY FINE. AN EXTREMELY RARE USE OF 12-CENT 1857 ON AN INBOUND STEAM-LETTER PATRIOTIC COVER
The origin of this cover is unknown, but it was probably carried on a ship sailing from the Caribbean or coast of South America. The 24c prepayment overpays the double 10c rate. (Image)
12c Black, Plate 3 (36b).
Used with 3c Dull Red, Ty. II (26), torn in half horizontally, tied by
grids, octagonal "Philadelphia Pa. Jun. 7, 1861" datestamp on red and blue
Waving Flag Patriotic cover to Gottingen, Germany, red "N.
York Brem. Pkt. Paid 10 Jun. 8" credit datestamp, receiving backstamp, part
of address erased, otherwise Fine, scarce usage of a Patriotic (Image) 
10c Green, Ty. V, 12c Black
(35, 36). Tied by well-struck red "Paid" in circle" cancels,
matching "Providence R.I. Sep. 19, 1860" circular datestamp on orange cover
to Paita, Peru, red "12" credit handstamp, Panama transit, slightly
reduced at left, 10c light corner crease at top left, Very Fine appearing
usage paying the 22c rate, with 2005 P.F. certificate
(Image) 
12c Black (36). Used with
horizontal pair and single of 3c Dull Red, Ty. II (26), stamps tied by
multiple strikes of "New York Paid 3 Jun. 21" credit datestamp on 3c
Red Nesbitt entire to Paris, France, appropriate transits, slightly
reduced at right, some wear, Very Fine, unusual franking and use of credit
marking to cancel stamps (Image) 
12c Black (36).
Horizontal pair, used with horizontal pair of 3c Dull Red, Ty. II (26),
tied by red grids, matching "N. York Br. Pkt. Paid 7 Nov. 23" credit
datestamp on cover to Baden, Germany, red boxed "Aachen Franco"
handstamp, various backstamps, right 3c tiny tear at right, Very Fine,
unusual franking for the 30c Prussian Closed Mail rate, ex Haas, with 1980
Friedl certificate (Image) 
12c Black (36). Block of
four and single, each stamp cancelled by "#" penstroke and tied by red
"Carrollton La. Jan. 30" circular datestamp on 1859 cover to Baden,
Germany, red "N. York Am. Pkt. 14 Paid Feb. 12" credit datestamp,
Aachen transit, left stamps in block faint vertical crease not mentioned on
accompanying certificate, appears Fine, scarce block on cover, ex Kapiloff,
with 1977 P.F. certificate (Image)