This is Snowflake #20 in the book of 100 Snowflakes. Instructions on Page 53. Pictured on page 25 in Showcase.

“The Nor’easter series continues with Nor’easter II, whose trim of chains and loops creates a lacy edge.”

Finished diameter: 2 5/8 in. (67 mm)
Thread required: 6 yd. (5.5 m)

All pattern samples in this book are made with size 10 thread and a size 5 (1.9 mm) crochet hook.