To my knowledge there are around 25 to 27 Paulson sets available. I do not know exactly how many ceramic sets. Probably around 30 something.
Denominations for Paulson’s are 5 25 100 500 1000 5000 20000. 5 25 25000 being quite scarce, 1000 on the contrary numerous.
These chips are highly desirable as ACF was a mythical place for all French poker players (and international players visiting France) were used in a wsop event.
It is very unlikely that any of the actual owners would let go his set unless forced to do so.
Some times a go a chipper offered 5000€ on a French forum without success, he then offered for a very brief period of time 10000€ and retracted.
It seems some sample set were created however and were passed on, even though I have no confirmed info on this. Similarly it is very probable that some spare 1000 denom chips were offered to fellow collectors and friends outside the group among which to foreign chipbuddies.
As a French collector this set is most certainly the “crème de la crème”, in other words some kind of holly graal.
There are projects, to get produced a copy of these as custom chips, or add on chips. If anybody is interested I guess now is the time...
In all cases, I wish you to put your hands on one of these sets one day.
Until then, I am sure that you can have someone invite you for a play with these on your next trip to France.