Lot
171 
1851, 12¢ gray black, two singles, margins to slightly in, tied by "Chicago Ill. Mar 5, 1856" cds on cover to U.S.S. Constellation at Spezzia, Sardinia; bold red "New-York, Am. Pkt. Mar 15" exchange cds also ties 12¢, endorsed "Paid to England", London (3.28) transit backstamp, Calais (3.29) entry cds, Genoa (4.1) transit backstamp, manuscript "10" decimes due rating, Very Fine and scarce use of 12¢ 1851 overpaying the 21¢ British Open Mail rate by 3¢. Scott No. 17 Estimate $400 - 600.
Realized: $500