100-1000 depending on EXACTLY what you have.
Improving Answer: You can be more helpful than that, can't you? I'll be 95% of all the Model 29's ever produced will be within a $300-$800 range. $300 would be for a very common model, in a common barrel length (like 4" or 6"), blued finish, with some wear and a few nicks or a small rust spot here or there, and non-original grips. $800 would be for a really pretty one or unusual model, like one with a bright nickel-plate finish.
50-525 usd
50-5000 USD depending on specifics.
29
No such model number.
The 41 Magnum is the Model 57 or 58. The Model 29 is a 44 Magnum.
300-360 USD
100-1000 USD
100-500 USD
600-750 dollars
Give you $20 for them. Thanks, Atson
100-650 usd
$125