gun shop, gun show, want ad, pawn shop, egunparts, MidWay USA, Brownell's
Go herehttp://www.e-gunparts.com/productschem.asp?chrMasterModel=0680zE15&idDept=78
FIE was the company that imported these into the US. They were made in Brescia Italy, POSSIBLY by the Tanfoglio Company. FIE is no longer in business- the E-15 single action revolvers seemed to be from the 1960s-1970s. They do not have a high value. Some repair parts are available from gunpartscorp.com.
25-160 USD depending on specifics
25-56 USD
FIE stands for Firearms Import & Export. Cheap guns imported from West Germany, Italy, and manufactured later in Miami, Fl. E-15 is a ruger knock-off.
Could be German, Italian or US
Check Numrich gun parts www.e-gunparts.com . They offer parts and often have a diagram as well.
Try internet auctions, pawn shops, gun shops, gun shows, want ads.
$25-$75
Try gun shops, gun shows, pawn shops, on line auctions, want ad, for sale ad, estate sales, garage sales, egunparts.
Try doing a web search on "gun parts coporation".