You are looking at a vintage 1977 Warner Bros. 

LOONEY TUNES

100 piece Whitman brand Jigsaw Puzzle, stock number 4605.  The puzzle is complete, with one piece having a tear, but still intact--see photo.  Box has very heavy wear on the corners and edges; top illustration fully intact.  This features a picnic scene featuring Porky Pig, Petunia, Sylvester the cat, Daffy Duck, Tweety Bird, along with Bugs Bunny and Elmer Fudd playing catch with a baseball.  Puzzle measures 14" x 18" when assembled.   Printed by Western Publishing, copyright 1977 Warner Bros.