44 rounds, 6 pattern repeats per round, crochet cast-off.
This is the hexagon of a three-piece set (square, hexagon, octagon), each of which is given its own entry in the magazine. The square is 418/31 and the octagon is 418/33.
The size is given as 29 cm in diameter, though the thread and needle size for that are not specified.
The pattern designer is explicitly listed as H. Niebling.
In Burda 305, this is pattern 305/11B.