Ex. 09-23-14 (May depend on when you print it) Scroll over on the left. This is national guacamole day and the coupon may be valid today only.
Direct link (may or may not work)
The barcode on the coupon starts with a 5. Walmart sells 16 oz Yucatan Guacamole for $3.98. $.98 after the coupon. You should be able to pick up the smaller size for free at Walmart after the cuopon.