Pearly Conch by Joelle Reynaud

Pearly Conch

Crochet
Thread ?
First two rounds measure 1 5/8" diameter
0.75 mm
500 yards (457 m)
40 cm, ~16 inch diameter
US
English Spanish

Doily has all-encompassing spiral design.

Pattern #12 in Magic Crochet.
Pattern Conchas en espiral in Ganchillo Artistico.