Around $500 is a good price for a new one.
Saiga 12k its a 12 gauge shotgun. The Saiga is an animal that looks like a deer.
See the website listed in the link below.
whats the value of a 12 gauge double barrel revelation
Mitsuki Saiga was born on June 12, 1973, in Saitama, Japan.
Whats it worth?
Impossible to answer without a DETAILED description of ALL markings, condition, box, papers, finish, stock, etc..
Price varies depending on which version, condition.
500
50-100
50-150
Possibly a broken firing pin.
100-1000 depending on specifics