J.J. Watt Autographed Memorabilia. J.J. Watt Autographed 16x20 Photo Houston Texans - PSA/DNA Certified. This is a 16x20 Photo that has been hand signed by J.J. Watt. This item has been certified authentic by PSA/DNA and comes with their tamper-proof sticker and matching certificate of authenticity. This product makes for an excellent collectible for a Houston Texans fan or memorabilia collector. A bold, prisitine JJ Watt signature. SportsCollectibles.com offers the best prices for JJ Watt Autographed Photos. Your order ships within 1-2 business days and is Backed by Sports Collectibles 100% Money Back Guarantee. Shop authentic Houston Texans signed sports memorabilia at SportsCollectibles.com.