Keystone indicates 1963, paint is scuffed up but is not otherwise damaged (no cracks, etc). I can't really say what's original and what isn't, except the heads obviously aren't.

Please look at the picture and help me out with a guesstimate, I don't know that much about drums myself.

Thanks

[IMG]http://i35.tinypic.com/290pixk.jpg[/IMG]