I am surprised to see it as a 653. The Athena in this colour was a 653 but the frame you could buy on its own with the twin chrome rear stays and chrome painted over front forks was usually a 753 (as well as having the racing team decal on the top tube).
I wonder if you have been lucky and actually have a 753 frame that has had 653 decals put on ?
I've restored one of these with a bare metal respray, I got the paint from E1 Carcolours in London.
The purple was "BMW 119, Blau Met 2C ref 20142678" the Pink was matched and had a "Code 20138393, Cycle Pink, 20142677" this was mixed up to be sprayed on but they might be able to make you some up as a touch up.
If you do want to get in re-done then my painter could do it and delcals can do all the decals apart from the down tube Peugeot word which I got from H Lloyds as they were the only people who did it right with the little r in the circle at the end.
This is mine..