Are you certain regarding porcelain and decals? Would be a heck of a work to attach that many decals on a bead, unless it were made in an automated process. And that possibly meant the beads are more on the recent side.

Gablonz was a guess, because Bohemia copied all kinds of designs.

Surprising the two (American) "Chevronman" do not seem to know!

Why do you think France is an option? Certainly the color fit! This beads should come from some "ceramic-place".