God Only Knows Floral Card Set £13.35 100lb heavyweight card stock. Offset printed. 4.25 x 5.5 inches. Illustrated by Carolyn Gavin. Store › God Only Knows Floral Card Set Quantity: Add To Cart Added! 100lb heavyweight card stock. Offset printed. 4.25 x 5.5 inches. Illustrated by Carolyn Gavin.