Thanks for all the help. I have been trying to find the serial numbers but no luck. Nothing on the bottom bracket. Could be filed off?

As for the cranks, they are Nervar and are cottered. The freewheel goes 16-17-20-24-28. According to the park tool website it needs the suntour 2 prong freewheel tool. Not that I'm going to remove it, I just wanted to identify it. The lever on the hub says A A Atom. Gee, thanks for any help. My motivation is to keep it fairly close to what it was when I clean it up and have it painted.

Thanks again to everyone who replied. It is appreciated!