50-500 usd
100-450 USD
50-350 usd
You need to find a gunsmith or firearms instructor
Your Smith and Wesson model 37 chiefs special airweight will bring 450 dollars in new unfired condition.It may bring more if the buyer is really motivated.
45 years old
50-1000 USD depending on specifics.
Mid 1960's.
Sounds like an after market modification.
69-70
Someone modified it.
100-500 USD
Revolvers do not have safetys