What year was this Colt Official Police Made?

[philthephlier]

SN 914415. Anybody tell me what year this revolver was made by Colt? Thanks in advance.

[KCSO]

Proofhouse.com type in the number, read the answer.

[Dframe]

Depends on what it is; Colts lists several possibilities, since serials were sometimes reused prior to GCA 68

1966 Police Positive Special or Official Police
1964 Police Positive Special or Detective Special
1943 1911 Military