Gun shop, gun show, pawn shop, want ad, for sale ad, garage sale, estate sale, on line auctions.
if your handgun is a colt police positive .38 it was made in 1911.
1964
100-1000 depending on EXACTLY what you have.
If this is a .38 cal (check the markings on the frame and barrell) it is chambered for .38 caliber. If it is a Police Positive ammunition would be the .38 PP If it is a Police Positive Special you could use .38 PPS Check with any reputable gun shop/dealer or range and they'll give you the information you need.
"positive action" It was an advertising slogan, used by Colt, to help the model stand out from all the other guns being sold at the time.
Depends on condition and exact configuration. Value range in the hundreds of USD.
Check with the local police . . . they often will take ammunition and dispose of it.
File a report with the police.
Ask your local police.
better handgun skills.
Contact your local police.
Depends on which Police positive with that serial number: Police positive special in 1919 Police positive .32 & target in 1922 Police positive .38 in 1928