24c Gray (78b). Rich
color, centered to top right, cancelled by green geometric in circle
fancy cancel, matching "Richmond Va. Aug. 16" circular datestamp and
"REGISTERED" framed straightline handstamp on 1866 registered cover
to Sheffield, England, red "New York Registered Aug. 18"
double-circle datestamp ties stamp, London registered marking, ms. "174"
(Richmond) and "4599" (New York) registry numbers, receiving backstamp,
blue crayon "30" at top leftEXTREMELY FINE. AS A USAGE TO A FOREIGN DESTINATION WITH GREEN CANCELLATIONS, THIS COVER IS RARE -- AS A REGISTERED USAGE TO A FOREIGN DESTINATION, ITS RARITY INCREASES BY AN INCALCULABLE MULTIPLE.
With 1991 P.F. certificate (Image)
24c Gray (78b). Fresh
color, cancelled by target, "San Francisco Cal. Oct. 24" circular datestamp
on light yellow cover to England, blue "Post Office Paid Victoria
Vancouver Island" oval handstamp, 1867 receiving backstamps, minor edge
wear affects stamp at top right, otherwise Very Fine and choice usage (Image) 
24c Gray (78b). Tied by
target and also tied by town datestamp on cover to London, England and
forwarded to Paris, France, 24c stamp also tied by red "3 Cents" credit
handstamp, forwarding postage paid by horizontal strip of three and single
of Great Britain 1p Red, Plate 80 (33), tied by bold strikes of "88"
in barred oval handstamps, "London MY 31, 1866" datestamp, French transit
and receiving markings, one stamp in Great Britain strip folded back to
display the 24c stamp, light edge wear, Very Fine and attractive
two-country franking (Image) 
24c Dark Lilac (78 var).
Rich color, well-centered, tied by bold circle of V's on cover to
London, England, red "Boston Br. Pkt. 19 Paid 14 Mar." credit
datestamp, originally endorsed "per 'Hermann' (a North German Lloyd
line ship which departed New York on March 10) and crossed out to reflect
its sending on the Cunarder Asia which departed Boston on March 14,
1866, receiving datestamp, minor edge wear, Very Fine and interesting
usage, ex Newbury, with 1990 P.F. certificate
(Image) 
24c Grayish Lilac (78a).
Natural s.e. at right, deep shade, tied by grid cancel on cover to
Queensland, Australia, neat "New York 18 Jun. 9" debit datestamp,
second strike of New York debit marking at left curiously dated July and
marked 24c due, earlier strike of 3c credit datestamp before postmaster
realized that the cover was underpaid, "Short Paid" handstamp, 1866
Marseilles and receiving backstamps, two strikes of "2F55c" Anglo-French
accountancy marking and marked "1/10d" due, few trivial toned spots, Very
Fine and choice, a most unusual usage, marked with the 18c debit in New
York on the assumption that it would be sent at the 33c rate by British
Mail via Southampton, it was later corrected to reflect short payment of
the 39c rate via Marseilles (Image) 
24c Grayish Lilac (78a).
Horizontal pair used with 5c Brown (76), 24c centered to top and
natural s.e. at right, the 5c well-centered, tied by three bold strikes of
NYFM Ty. F17 cancels on buff 1865 cover to Shanghai, China,
two strikes of red "N. York Am. Pkt. Paid Apr. 2?" datestamps and "32"
credit handstamp, London transit, red "1d" British colonial rate handstamp,
Very Fine and handsome, ex Ackerman, Gibson and Knapp, with 1983 P.F.
certificate. (Image) 
24c Gray (78b). Two
singles, used with 5c Red Brown (75), cancelled by segmented corks
on light gray 1866 cover to Shanghai, China, red "Boston Am. Pkt.
Paid 24 Nov." and "32" credit, red London transit, receiving backstamps,
right 24c stamp has tiny tear at top, otherwise Very Fine and choice usage
to China via Marseilles, ex Ishikawa (Image) 
24c Lilac, Gray (78,
78b). Single of each, used with 5c Brown (76), tied together by
matching segmented cork cancels on gray cover to Shanghai, China,
red "Boston Am. Pkt. Paid 11 Aug." backstamp, red London transit also ties
both 24c, 1865 docketing and blue Shanghai circular datestamp on back,
trivial edge toning, Very Fine, very scarce with two distinct shades of the
24c on one cover, with 1992 P.F. Certificate
(Image)