50-75 USD
there is no such thing
Assuming you mean a Sterling mdl 287 PPL in cal. .380, these retailed new for about $90.
the 380 is a 9mm short
$150 or less, depending on condition.
I could not find any 380 cal. pistol going back to 1887 ??? are you sure it's not a 38 cal. revolver ???? check writting on top of barrel ......................
$75-150, depending on the condition.
Normal blue ... a little over $300
No.
No.
NO
Let a gunsmith do it.