This charming ca tspiral can be made in any combination of yarn and hook you desire. If you make two and stuff them, it becomes an amigurumi. Worked in fingering yarn or thread, it can be a lovely brooch.
Using F/3.75 crochet hook and worsted weight yarn (110 yd/50g) resulted in motif that is 4" w and 5.5" l.
Long, long ago, far, far away, when the subway cost a quarter and the corner drugstore was also an ice cream parlor where a little girl sipped vanilla egg creams, her mother, who made her wonderful clothes, showed her how to crochet. Her father taught her how to solder and make a tuner.