Thanks for taking a look at these  Look PP56s from the late 1980s.

These are functionally excellent, and would benefit from a clean, but the bearings and cleat locking mechanism are very good.

These take a Look Delta type cleat (which I believe was revived by Peloton in recent years) - I have a good number of look type pedals in use and the supply of the cleats has been easy. Please take a good look at the pictures and please let me know if you have any questions.