Del Monte is offering a coupon for a free can of No Salt Added Diced tomatoes to the first 50,000 to sign up for their newsletter, The Del Monte Dish. After the limit is reached, they will be offering coupons for $.50/1.
The newsletter is great resource for coupons for your favorite Del Monte products, and the coupons seem to be updated fairly regularly.
If you are already a member, simply login to print your coupon. If not, sign up here.
Better hurry before the print limit is reached!