Standard Catalog of Smith and Wesson, 3rd ed.
Your serial number indicates that your Smith and Wesson model 29 was made between 1977-1978.
What serial?
1994
@ 1980
100-1000 USD
The Model 29 is a 44 Magnum.
An engineering change.
Never made by S&W. The Model 29 is a 44 Magnum
The model 29-2 went into production in 1961. They were replaced by the 29-3 in 1982.
Impossible to answer without a serial number.
100-1000 depending on specifics