If it weren't for the measurements being so large, I would (perhaps) have attributed this to a 'Peltier Boyce second run 2001' cat's eye, weak, but those only reach a maximum of 0.669 (17mm) or 0.708 (18mm)
I think it's a European marble, (perhaps) made in France?
They probably made similar marbles, but I'm just guessing...
Some images of a type of 'Peltier Boyce second run 2001', with a coloration similar to the op