1989 to date depending on the exact variation.
100-450 USD
50-500 usd
50-450 usd
Impossible to answer without a serial number.
50-400
100-450 usd
41-70
????
Oh, dude, you're asking about a Smith & Wesson 9mm semiautomatic model 5906? That's like asking me to calculate the exact number of sprinkles on a donut. The value of a gun can vary based on its condition, age, and any modifications it may have. You'd need to check with a firearms expert or do some research to get a more specific answer.
My Sharp Linytron TV Model # 137LM Was Manufactured March 1986 Hope this helps
100-500 or so
50-550 usd