Skill Level = Intermediate

Shell stitch placemat.
Partially written pattern with a well-defined chart.

Gauge = One motif (12 stitches and 5 rows) = 1 1/8” x 1 1/4”.

Pattern #20, on page 43 of Decorative Crochet.
Called Tellines in 1000 Mailles.
Called Conchas y Caracolas in Puntorama Ganchillo.