$25-$70, depending on condition. Imported by FIE, amde by various Euro gun makers, generally low cost, indifferent quality.
20-50 or so
$75-100
20-60 USD or so
Numrich Arms website has expoded view. e-gunparts.com
made in 1980's sold in OTASCO stores
25-60 USD or so
25-50 USD
50-100 USD
Not Much. $20.00 in poor condition, $100 in near new condition.
FIE was an imported that imported inexpensive guns from Europe. They were banned from import in 1968 due to them being unreliable and cheap. On a good day it might be worth $100.
$25-$75