How old is mt smith and Wesson 38 special serial number C-458546?

To determine the age of a Smith & Wesson .38 Special with serial number C-458546, you would need to reference the manufacturer's serial number dating charts. Generally, Smith & Wesson revolvers with a "C" prefix were produced in the 1950s or 1960s. Specifically, this serial number likely indicates that the revolver was manufactured around 1953-1954. For an exact date, consulting a detailed S&W serial number database or contacting Smith & Wesson directly would be necessary.