info on history of name-less, label-les, supposed Ibanez 70's P-bass?

[walking.bass]

Hi,

Can any1 inform me about where to find information on history of Ibanez basses. I bought a bass with no name or label on it. Looks 70's, looks Ibanez. Sounds pretty good. It's a P-bass.

I would like to find out what brand it is and more about its history.

Thank you!

Frank,
The Netherlands
walking.bass@solcon.nl