[jyl]

I've always thought the steep head tube indicated an earlier (pre-1970) PX-10. Not 100% sure about that, not even 75% sure.

The thing is, the headtube badge and downtube/seattube decals look to me like the mid-1970s style, not the 1960s/early-1970s style.

I've been searching images of PX-10s and so far have not seen one with the fancy Nervex lugs combined w/ this decal style. NRD, others - thoughts?

So I am a bit puzzled and am wondering if this bike might have been repainted, possibly quite a long time ago. I am going to inspect it more closely tonight.

It doesn't make any difference but that's part of the fun of old bikes - playing detective.