I am no Peugeot expert.
But, for starters there is no chrome on the rear stays, so that rules out PX10. The headtube lugs are not painted black so in my mind that rules out the
PR-10
It guessed PA-10 but it could be a U0-8 for all I know. "Record du monde" is not the model, it was on every frame of that era I believe.
Here is a PX10, this represents the top: