Needs to be examined by a gunsmith.
Police Positive Special with a sn in the 1337xx range was made 1916 Police Positive .38 with a sn in the 1337xx range was made in 1921
The value of a nickel plated SW 38 Special gun depends on its condition. This gun in excellent condition is valued between 320.00 and 400.00 as of 2014.
100-1000 USD depending on specifics
100-1000 USD
The Colt Official Police was made in several calibers, but the only .38 caliber it was made in was .38 Special.
.38 Military & Police Model of 1905, made c.1907. Value is $200 in typical condition.
100-450 USD
75-275 USD depending on condition.
100-300 USD or so
100-500 USD
100-340 or so