1956.
Serial numbers for the 38 Military & Police series guns started at 1 in 1899 and ran to 999999 in 1942.
Then started the V prefix from V1 in 1942 to V811119 in 1945.
Then the S prefix from S811120 in 1945 to S999999 in 1948.
Then the C prefix from C1 in 1948 to C999999 in 1967.
Then the D prefix and so on...
Value depends on condition but ranges around $400.
Jim