barrel stamping states: Police Positive [in standard Colt font] followed by: .38 Special [in different font] See photos.
"Dimension photo" show what dimension I took off the revolver. Cylinder accepts, .38 Special cartridges, not accept .38 S&W cartridges.
Last pat'd date is July, 05
Thanks for responses. JHR
PS: Barrel @ 6o'clock , has a flat with the numeral "1" stamped, what does it indicate?
Top strap is groove but smooth.
Following from Colt.com website SN info: Mfg'd: 1929 as Police Positive in .38 cal [not .38 Spl] cylinder length 1-1/4"
from proofhouse.com: mfg'd date is late 1929 / 1930.
Last edited by jjroth; 05-10-2019 at 06:26 PM.
Not a trick question, there is noticeable shorter difference in this PP frame against my grandfather PPS, [which fits my hand] and a PPS [cal. 32-20], which a friend recently bought.
And the barrel stamping are noticeably different.
The style of PPS barrel stamping changed some over the years pre-/post-war. But whatever you’re concerned about, the PP Special cylinder is longer and not interchangeable with the standard PP, so if it fits Special ammo, you have a PPS.
This can be confusing because of the way Colt marked the barrels pre-war.
They stamped Police Positive in big letters, followed by the caliber in smaller letters.
So, a Police Positive would be stamped in big letters with the PP mark, then the caliber of the short .32 and .38 cartridges.
Since Colt didn't want competitor S&W's name on Colt guns, Colt just altered the shape of the bullet nose and renamed S&W cartridges as the Colt New Police cartridges.
However, the Police Positive Special still had the PP stamped in big letters followed by the .38 Special or .32-20 caliber stamp.
This leads people to think they have a Police Positive.
The best way to ID what you have is by the length of the frame and cylinder. The Police Positive has a noticeably shorter frame and cylinder. The Police Positive Special has a longer frame and a longer cylinder to accept the longer .38 Special and .32-20 cartridges.
Also, the early Colt PP and PPS have a narrow gap between the front of the grip frame and the rear of the trigger guard.
Police Positive. Note the shorter frame and cylinder
Police Positive Special, note the longer frame and cylinder.
For grip frame comparison, here's a Detective Special which was built with the Police Positive Special frame. Not the wider gap between the front of the grip frame and the rear of the trigger guard. Two pictures above have the early 1900's narrow gap frame.
This my 1919 Police Positive Special.
This is the rollmark:
Thank you for the clarifying information.
Did rerun the SN through the "Colt" and "Proofhouse" websites and 1922 is the common date.
With the hard rubber grips, it appears to be of the PPS First Series, my friend and Grandfather were of the Second series.