I have several vintage camera sets like new, are there a place i can find their value?

I have a canon FTB 35 MM with 3 lens are like new i have 40 yrs. 2 pro 120 film professional, like new. one canon elan 35 mmwith 28to 80 auto focus. one russian camera like had over 40 year,must be some co. with their value. Help If you can. Thanks