This free pattern originally published in:
Coats & Clark's O.N.T. #314, Pineapple Squares 
J. & P. COATS BIG BALL BEST SIX CORD MERCERIZED CROCHET, Art. A.104, Size 100; or
J. & P. COATS BIG BALL BEST SIX CORD MERCERIZED CROCHET, Art. A.104, Size 100; or
J. & P. COATS BIG BALL BEST SIX CORD MERCERIZED CROCHET, Art. A.104, Size 100; or