Days later, I returned and scooped them up.
There were so many things I wanted, but only so much that I could carry home on the aircraft, on my own - not to mention 'Customs' which always freaks me out! The box of silk threads could not be left behind, and the little black tags with the numbers were intended to be sewn into gloves to indicate the size. I deliberated over the entire box-load and got a yard of several different pieces.
The blue book underneath is not just a prop, but a first edition with an intriguing card stuck inside the cover with old stamps.
The owners of the shop do their hunting in Lyon, as Paris is more expensive. They did some very good picking. Now - to plan the dinner party.