Originally Posted by
francophile
Well, we know it's post-'74 based on the decals, amongst other things. In '75 they started putting Reynolds stickers on the downtube just above the shift levers. See if there's any remnants of the stickers above the shift levers if you can find the pics. If yes, it's probably PR10.
They started putting the Reynolds decal on the down tube in 1974. That's what I was referring to in post number 2.