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 Serial number 466.  The earliest variation of the
    Vest Pocket Model.  Characteristics include a high polished blued finish, early Type
    I black hard rubber stocks, full blued barrel, no rampant Colt present on rear of slide
    (16 slide serrations), smooth sight groove on top of slide, slide marking ending with Dec.
    22 1903 patent date. 
 Serial number 60049.  Characteristics include a
    high polished blued finish, early Type I black hard rubber stocks, full blued barrel, no
    rampant Colt present on rear of slide (16 slide serrations), sight groove on top of slide
    has transverse lines, slide marking ending with Jan. 25 1910 patent date. 
 Serial number 91582.  Characteristics include a
    high polished blued finish, early Type I black hard rubber stocks, full blued barrel,
    Early style Rampant Colt on globe present on rear of slide (14 slide serrations), sight
    groove on top of slide has transverse lines, slide marking in smaller font ending with
    Jan. 25 1910 patent date. 
 Serial number 105919.  Characteristics include a
    high polished blued finish, later Type II black hard rubber stocks, bright polished
    barrel, Early style Rampant Colt on globe present on rear of slide (14 slide serrations),
    sight groove on top of slide has transverse lines, slide marking in smaller font ending
    with Jan. 25 1910 patent date. 
 Serial number 321430.  Characteristics include a
    royal blued finish, later Type II black hard rubber stocks, bright polished barrel,
    Rampant Colt (no globe) present on rear of slide (14 slide serrations), sight groove on
    top of slide has transverse lines, slide marking in smaller font ending with Jul. 31 1917
    patent date.  Pistol also has the magazine safety disconnector (available after sn
    141000) which prevents the arm from being fired with a round in the chamber when the
    magazine has been removed. 
 Serial number 350788.  Characteristics include a
    royal blued finish, early Type I machine checkered walnut grips with forward facing flush
    medallions (grips made standard after May 1, 1924, these medallions used for approx. three
    months), bright polished barrel, Rampant Colt present on rear of slide (14 slide
    serrations), sight groove on top of slide has transverse lines, slide marking in smaller
    font ending with Jul. 31 1917 patent date.  Pistol has the magazine safety
      disconnector. 
 Serial number 388207.  Characteristics include a
    royal blued finish,  Type II machine checkered walnut grips with left facing flush
    medallions, bright polished barrel, Rampant Colt present on rear of slide (14 slide
    serrations), sight groove on top of slide has transverse lines, slide marking in smaller
    font ending with Jul. 31 1917 patent date.  Pistol has the magazine safety disconnector. 
 Serial number 420074.  Pre/Post-War Variation.
      Characteristics include a tank blued finish (hardening line visible on front of
    slide), Type II black hard rubber grips  (surplus parts), bright polished barrel,
    Rampant Colt present on rear of slide (14 slide serrations), sight groove on top of slide
    has transverse lines, single line slide marking.  Pistol also the magazine safety
      disconnector. 
 Serial number 420024.  Pre/Post-War Variation.
      Characteristics include a tank blued finish (hardening line visible on front of
    slide), Type II machine checkered walnut grips (surplus parts), bright polished barrel,
    Rampant Colt present on rear of slide (14 slide serrations), sight groove on top of slide
    has transverse lines, single line slide marking.  Pistol also the magazine safety
      disconnector. |