Impossible to answer without a detailed description of all features, condition, finish, box, papers, accessories, etc..
75-550 usd
25-1000 usd
the model if the gun is near perfect condition is 500
The Model 29 is a 44 Magnum.
50-450 USd
With this Smith & Wesson model 66 nickel plated haven't had a box of shells shot through it excellent condition like new Walnut handles
50-350 usd
The 1966 Mod 60 Smith & Wesson in good condition is worth $1,200.00
Your smith and Wesson mod 4043 is running between 240-400 dollars depending on condition.
500 USD
$450.00 in new condition
100-300 USD depending on condition.