Jim R. Collection
Colt Model 1911A1 issued to William K.
Lanman, a USMC Colonel - Colt M1911A1 .45 cal. S/N
731299, the slide has a matching serial number, Manufactured
in June of 1941, it was shipped in a batch of 3,150 to the
Commanding General at Springfield Armory on June 28,1941,
the Barrel is Stamped COLT .45 AUTO with a P Proof Stamp on
the left lug and a G "government approval stamp" just
forward of the lugs.
Slide is serial numbered under the firing pin retainer
731299 same as frame, slide left side of the slide is marked
PATENTED APR.20,1897. SEPT.9.1902 DEC.19,1905.
FEB.14,1911.AUG.19,1913 - then there is a proper rampant
colt - COLT'S PT.F.A. MFG.CO. HARTFORD, CT .U.S.A. there is
a P proof on top of the slide forward of the rear sight,
there is a G "government approval" stamp on the underside.
The receiver is marked on the Right side UNITED STATES
PROPERTY M1911A1 .U.S. ARMY No 731299, trigger guard marked
60 this is an assemblers code, Left side of receiver has
Inspector mark, is RS inside a Box for Colonel
Robert Sears, there is a P proof just below the mag
release, there is a P proof on the trigger guard with a VP
in the inverted triangle just below, on the frame next to
the disconnect it is stamped RS inside a Box for Colonel
Robert Sears and G "government approval stamp" The grips are
original full checkered Coltwood with the small rings, the
Magazine is a leftover WWI 2 tone with a B "Toe Stamp" This
gun has a Brush Blue Finish in Excellent condition, this was
the last year Colt put the blue finish on the M1911A1 and it
was switched to a parkerized finish in 1941 about production
run number 734000, making this Colt one of the last to have
the factory Brush Blue Finish.
This is Colt and V-44 Collins Green Horn Fighting Knife
"these were issued to Marine Pilot's in their bail out kits"
belonged to and was purchased from Colonel William K.
Lanman a WWII fighter Pilot in the USMC. Colonel Lanman
was a career Naval and Marine Corps Pilot who won the
Distinguished Flying Cross, four Air Medals, a Bronze Star
and a U.S. Navy Commendation for his World War II service in
the Solomon Islands combat zone in the Pacific. He retired
from the U.S. Marine Corps Aviation in 1955. Col. Lanman
Passed Away March 26 2001 at age 96 and was buried in
Arlington National Cemetery. Born in Columbus, Ohio, Mr.
Lanman was a 1928 graduate of the Sheffield Scientific
School who had family ties to Yale dating back to the 18th
century. A forebear, U.S. Senator James Lanman, graduated
from Yale College in 1788. In the 19th century, three
Lanman's graduated from Yale College: Charles J. in 1814,
Joseph in 1864 and Charles R. in 1871. Colonel Lanman's two
brothers also attended Yale; the late Henry R. Lanman
graduated in 1932 from the Sheffield Scientific School, and
the late Jonathan T. Lanman graduated from Yale College in
1940 and from the School of Medicine in 1943.
RS inside a Box for Colonel Robert Sears
Right side of 1911A1 serial number 731299.
Close-up of serial number and United States Property mark.
Model marking on right side of frame.
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