If you don't have a manual, ask a gunsmith for help
Check out this web site for your answer. http://bryco-jennings-jimenezarms.com/index.html If your question is, does Bryco model 38 or model 380 have a firing pin....then yes it does or when it was made.
No.
Best thing to do is to ask a gunsmith for help.
Take it to a gunsmith
Yes, 380 or 9mm from a model 58 or 59 is the same pin...
Take it to a gunsmith and ask for help
none
Take it to a gunsmith and ask for help
Color is immaterial
$75-150, depending on the condition.
Try e-gunparts.com
Find a gunsmith and ask for help