50-250
1973-1981
75-275 or so
50-150 usd
5-130 USD or so
Depends on EXACT model and condition- $150-$250
Blue Book of Gun Values will get you in the ball park
Hawes Firearms were manufactured by a company in Germany around the late 60's to about 1983. They were a fairly decent gun, but not in the Colt or Smith&Wesson class by any means. They are not a collectors item so they usually sell for about $150 depending on condition and model.
50-260 or so
No more than 100 USD
Revolvers are not taken apart except for repair. Suggest you find a gunsmith. Instructions far too lengthy for a Wiki Answer.
$250
Lace of sales