New York N.Y., 5c Black, "ACM"
Initials (9X1). Large margins all around, bold purple initials and fine
impression, tied on small piece by red "New-York 5 Paid Jan. 3"
integral-rate circular datestampEXTREMELY FINE GEM. VERY RARELY SEEN CANCELLED BY THE INTEGRAL-RATE CIRCULAR DATESTAMP USED ON MAIL TO FOREIGN COUNTRIES.
Ex Emerson. (Image)
New York N.Y., 5c Black, "ACM"
Initials (9X1). Positions 32-33, horizontal pair, large margins all
around, sharp impression on lightly blued paper, without manuscript
cancel, each stamp cancelled by neat strike of red "Paid"
handstampEXTREMELY FINE AND CHOICE PAIR OF THE NEW YORK PROVISIONAL AND VERY SCARCE WITHOUT THE USUAL MANUSCRIPT CANCELLATION.
In addition to initialling each stamp, the New York post office typically used pen and blue ink to cancel the stamps. Examples with a red handstamped marking and no manuscript cancel are much scarcer and more desirable. (Image)
New York N.Y., 5c Black, "ACM"
Initials (9X1). Horizontal pair, full to large margins, striking
pre-printing paper fold which was opened up prior to application of
the "ACM" initials, without manuscript cancel, each stamp cancelled
by neat strike of red "Paid" handstamp, third strike at right, on 1846
folded cover to Norwich Conn., ms. "10" rating, pair lifted and shifted
slightly right, right stamp affected by file fold (our indicator of
origination), cover with small tear at topEXTREMELY FINE APPEARANCE. A RARE AND UNUSUAL PAIR OF THE NEW YORK PROVISIONAL WITH A PRE-PRINTING PAPER FOLD.
It is unusual for New York provisional covers not to have a New York circular datestamp.
Signed Klemann. Purchased at Nassau Stamp Co. and offered to the market for the first time since 1924. (Image)
New York N.Y., 5c Black, "AC M"
Initials (9X1a). Large margins to just clear, cancelled and tied by
blue pen strokes on 1845 folded cover to Liverpool, England, bold
red "New-York 5cts 23 Nov." datestamp and matching "Paid", ms. "Via
Boston" and "Steamer Britannia" (Cunarder which left Boston on
Dec. 2, arriving in Liverpool on Dec. 16), "1/-" due marking for British
postage, neat strike of "America Liverpool De. 16, 1845" backstamp, light
file fold barely affecting stampVERY FINE. AN ATTRACTIVE TRANSATLANTIC USAGE OF THE NEW YORK POSTMASTER'S PROVISIONAL USED TO PAY THE INTERNAL U.S. SHORE-TO-SHIP RATE.
Ex Hubbard. (Image)
New York N.Y., 5c Black,
"A.C.M." Initials (9X1b). Positions 4-5, horizontal pair, mostly huge
margins, slightly in at bottom of right stamp, tied by three parallel blue
pen strokes on folded cover to Washington D.C., bold "New-York 10 cts. 7
Aug" (1845) datestamp and matching "Paid" arc, file fold well clear of
stamp, lettersheet has a one-inch paper crease at top left (reinforced
where slightly split)VERY FINE. AN EXTREMELY RARE USAGE OF A PAIR OF THE SMALL "A.C.M." INITIALS WITH PERIODS.
Ex Seybold. (Image)
New York, N.Y., 5c Black on
Bluish, Without Signature (9X1e). Horizontal pair, ample even margins,
fine impression, lightly creased and a nearly invisible sealed tear in top
of lefthand stamp (not noted on certificate), tied by blue ms., red
"New-York 10 cts. 8 Jun." (1846) circular datestamp, matching "Paid" arc on
mostly complete folded cover to Marshall Mich., some slight wear,
Very Fine appearance, extremely rare pair of the unsigned provisional on
cover, with 1980 P.F. certificate (Image) 
New York N.Y., 5c Black on
Blue, "ACM" Initials (9X2). Positions 16-17, horizontal pair, ample to
large margins all around, sharp proof-like impression on deeply blued
paper, tied by red square grid, matching "New York 5 cts Mar. 31"
integral-rate circular datestamp and "Paid" in arc on 1847 folded address
sheet to Clinton N.Y., two vertical file folds, one of which passes thru
right stampVERY FINE APPEARING PAIR OF THE 5-CENT NEW YORK PROVISIONAL ON BLUE PAPER. AN EXTREMELY RARE MULTIPLE OF 9X2.
The Wall-Farrington-Shearer records 11 pairs of Scott 9X2 on cover. (Image)