3c Rose (65). Ms. cancel,
"Ship Island/Miss." two-line handstamp with ms. "Apr. 25" date on red
and blue Contraband of War Patriotic cover to Weld Me., barely
reduced at left, Fine (Image) 
3c Rose (65). Cancelled by
bold grid and tied by "Wilmington Del. May 17" circular datestamp on
illustrated Great Central Fair cover to Howellville Pa., fresh and
Very Fine, choice example of this Sanitary Fair design
(Image) 
3c Rose (65). Rich color,
tied by "Georgetown D.C. Mar. 8" circular datestamp on two-panel
illustrated Lincoln-Hamlin Railsplitter Campaign cover to Unadilla
Forks N.Y., barely reduced at left, fresh and Very Fine
(Image) 
3c Red, F. Grill (94).
Horizontal pair, centered to left, tied by circle of wedges, "South
Royalton Vt. Sep. 30" circular datestamp on illustrated Grant-Colfax
Campaign cover to Quebec, Canada, 1868 transit backstamps,
slightly reduced at right affecting perfs of right stamp, minor edgewear,
otherwise Fine (Image) 
3c Rose (65). Rich color,
choice centering, tied by neat "Alexandria Va. Mar. 9" double-circle
datestamp on red, blue and lilac hand-painted "Prof. Lowe's Union
Balloon" Patriotic cover to Amenia Union N.Y., "Gens. McDowell &
McClellan's Aireal [sic] reconnoissances" caption at bottom, barely reduced
at left, stamp with single short perf at top right, lightly cleaned with
some minor edge improvementsEXTREMELY FINE APPEARANCE. THE UNIQUE USED HAND-PAINTED PATRIOTIC DEPICTING PROFESSOR LOWE'S UNION BALLOON. AN AMAZING EARLY AERONAUTICAL-RELATED USAGE.
According to the Schoendorf book, the text at bottom refers to the ascent made on Sept. 30, 1861, from Upton's Hill by Lowe, who was accompanied by the two generals. They were able to observe the Confederate infantry and cavalry near Fairfax.
Illustrated in Schoendorf book on p. 53. (Image)
3c Rose (65). Cancelled by
grid, "Buffalo N.Y. Nov. 9, 1861" circular datestamp on blue printed
Professor Lowe Balloon Patriotic cover to Chicago, caption "A
Reconnoisance, by Prof. Lowe", blue "Chicago Advertised Nov. 25"
shield handstampEXTREMELY FINE. A SPECTACULAR CIVIL WAR AERONAUTIC DESIGN AND EXTREMELY RARE USAGE.
This cover is dated soon after the September 30, 1861, reconnaissance flight by Professor Lowe for Generals McDowell and McClellan. (Image)
Elmira N.Y. Oval
examiner's handstamp on cover with 3c Rose (65) tied by "Elmira N.Y. Dec.
23" double-circle datestamp to another prisoner of war at Ft. Delaware,
slightly reduced on three sides and missing top flap, some edgewear,
otherwise Fine, interesting usage to another prisoner
(Image) 
Elmira N.Y. Oval
examiner's handstamp on cover with 3c Rose (65) tied by "Elmira N.Y. Aug.
1, 1866" double-circle datestamp to Princeton N.J., stamp with few tears
and slightly faded, otherwise Fine prisoner's usage to a northern
destination (Image) 
Fort Delaware Del. Oval
examiner's handstamp on orange cover with 3c Rose (65) cancelled by target,
"Delaware City Del. Jun. 22" circular datestamp to York Pa., small part of
back missing from opening, Very Fine (Image) 
Johnson's Island O. Oval
examiner's handstamp with "C H R" initials on orange cover with 3c Rose
(65) tied by target, "Sandusky O. Jan. 17" double-circle datestamp, to
another prisoner of war at Fort Delaware, slightly reduced at right and
some wear, almost Fine (Image) 
Point Lookout Md. Small
cover to Palmyra Va. with "Prisoner's Letter Examined" octagonal handstamp,
3c Rose (65) tied by "Point Lookout Md. Jun. 27 '64" double-circle
datestamp, used with Confederate States 10c Blue, Die B (12), large
margins, tied by "Richmond Va. Jun. 27" circular datestamp, some minor
toned spots, Fine (Image)