500-1200 USD depending on condition, box, accessories, papers.
50-600 usd
100-400 USD or so
@ 1976
1978
50-500 usd
The best that I can do is say that the smith and wesson model 28-2 was made by smith and wesson from 1961-1969.
1975-1977
50-460 usd
0-600 usd
Between 1978 and 1980.
42 years old
100-400 or so