Called “Four-Leaf Clover Doily” in Old-Time Crochet Magazine.

Materials:

• J. & P. Coats Big Ball Best Six Cord Mercerized Crochet, Art. A.104, Size 30: 2 balls White; or
• Clark’s Big Ball Mercerized Crochet, Art. B.34, Size 30: 2 balls White
• Milwards Steel Crochet Hook No. 10

Also available at FreePatterns.com here.