2c Lincoln (367). Tied by
bold strike of "Pioche Nev. 12 Feb. 10 AM 1909" duplex cancel on
First Day cover with printed local address, Very Fine First Day
cover cancelled early in the day (Image) 
2c Lincoln (367). Natural
s.e. at left, choice centering, tied by "Sharon Springs N.Y. 4PM 12 Feb.
1909" duplex on First Day cover with printed address to Floral
Park N.Y., some edgewear, Very Fine, with 1988 American First Day Cover
Society certificate (Image) 
2c Alaska-Yukon (370).
Natural s.e. at top with full guideline, tied by Santa Cruz Cal. May 31
9-AM 1909" machine cancel on pre-First Day cover to San Jose
Cal., Very Fine, rare, one of only four recorded pre-First Day usages of
Scott 370 and the only one recorded from Santa Cruz, the other three were
used on May 29 from Boston, with 1997 P.S.E. certificate
(Image) 
2c Alaska-Yukon (370).
Choice centering with wide margins, rich color, tied by "Boston Mass.
Jun. 1 6-PM 1909" machine cancel on illustrated First Day cover
for brick company to local address, Extremely Fine, only three First Day
covers are known from Boston, signed Bloch
(Image) 
2c Hudson-Fulton (372).
Tied by "Boston Mass. Sep. 24 4:30 PM 1909" circular datestamp on
picture side of unaddressed First Day postcard depicting Hudson
landing, trivial edgewear, Very Fine, with 1975 American First Day Cover
Society certificate (Image) 
1c Green, Booklet Pane
(374a). Horizontal pair from bottom of pane, tied by "Racine Wis.
Apr. 19-(19)11 3-30PM" machine cancel on picture postcard of Horlicks
Dam to Denmark, stamps lifted and hinged to card at slight
misalignment, with 2000 A.P.S. certificate, this is the earliest
documented usage of Scott 374a (Image) 
2c Carmine (375). Used
with 10c Yellow (338), tied by "Millville N.J. Dec. 29 6PM" duplex
cancel, violet "Millville N.J. Registered Dec. 29, 1910" double-circle
datestamp on cover to Hornell N.Y., Hornell registered receiving backstamp,
2c natural s.e. at bottom, cover with edge faults, otherwise Fine, with
1998 A.P.S. certificate, this is the earliest documented usage of
Scott 375 (Image) 
1c Panama-Pacific (397).
Deep rich color, tied by "San Francisco Cal. Jan. 1 7:30 PM 1913"
slogan machine cancel on First Day multicolored exposition postcard
to Toledo O.VERY FINE. AN EXTREMELY RARE FIRST DAY USAGE OF THE ONE-CENT PANAMA-PACIFIC ISSUE ON AN EXPOSITION POSTCARD.
Probably fewer than ten First Day covers of this stamp are known. With 1973 American First Day Cover Society certificate. (Image)
1c Green, Coil (412).
Well-centered with wide margins, rich color, tied by "Utica N.Y. May 31
1912 7:30PM"wavy-line machine cancel on printed reply card for
travelers insurance to Providence R.I., Extremely Fine earliest
documented usage, with 1989 American First Day Cover Society
certificate (Image) 
12c Claret Brown (435).
Natural s.e. at left, just tied by cork cancel, on registered cover with
printed address to Springfield Mass, Claremont N.H. Feb. 24,
1915"and "Springfield Mass. Feb. 25, 1915" registered double-circle
backstamps, cover and stamp with small faults, otherwise Fine earliest
documented usage, with 2002 A.P.S. certificate, ex Wagner (Image)
$1.00 Violet Black (478).
Bold New York 6-26-1917"double-oval datestamp, fresh and Fine, this
is the earliest documented dated cancel, with 2002 P.F. certificate
(Image)