superzoom

Ive searched the web ebay etc. So far ive found other models of lenses from marexar but not one thing about this specific model can anyone shed some light? And is it worth anything?? -Super marexar zoom 1:5.6 100 - 200mm No. 79784 Thank you in advance.

Hello, I'm new to here. So I'm not sure if asking this here is appropriate. If not, I would appreciate it if somebody is willing to give a link to the proper place(s)! -------------------------------------------------------------------- Thanks for help in advance! I'd like to ask for advice...