Design 0985/17 in Anna. Small version - 150 rounds.
With yarn and needles as listed above, approx. 105 cm in diameter.

With MEZ Sonja and needles size 3 mm, approx. 125 cm/50” in diameter.

30 gr. crochet thread size 80, and 1.50 or 1.75 mm needles for an approx. diameter of 70 cm/28”.

Original large version has 370 rounds. Suggested materials are crochet thread size 120 and needles size 4/0 for an approx. diam. of 110 cm. (Old German needle size).

Note:
Schwabe-Beyer Strickschrift 70 661 “Frühling” was advertised in Beyers Handarbeit und Wäsche 02/1955.

Kunststrick-Muster 1514 “Frühling” was advertised in Kunstricken 720, published circa 1951.

There is a another Niebling pattern called Frühling (completely different from this one) found here.