On another card that has all porcelain beads, there is actually a reference and a sketch of 'rosetta beads'.
It seems like it might be a sketch for the order of a specific bead (not the beads on this card). The handwriting is hard to read, but here's what I came up with.
They ask for an 'imitation Rosetta bead' in porcelain, hollow, with a glossy finish.
The colors from the inside out should be white (not sure of the handwriting), red, brown, blue. And the name of Tiefenbach is also mentioned.