Nothing.
.38 S&W. This is NOT .38 Special.
No
You will have to call S&W with the serial number to find out.
100-1000 depending on exactly what you have
No published sn data
Best to ask a gunsmith. You can request a manual from S&W also.
Most gun shops. Your Iver J is in caliber 38 S&W, which is NOT .38 Special.
50-100 usd
25-350 usd
Thousands. 38 S&W is a cartridge designation- a lot companies besides Smith & Wesson made guns in this caliber. A small MOUNTAIN of them, in fact.
yes