First Buzz: 2017 Leaf Plates & Proofs hockey cards November 8, 2017December 15, 2017BlowoutBuzzLeave a comment What: 2017 Leaf Plates & Proofs hockey cards Arrives: January Box basics: Eight 1/1 cards per box (10 boxes per case) What’s buzz-worthy: Leaf loads up this one for hockey fans with nothing but proof cards and printing plates in every box. Keep reading for more as well as a full gallery of images released so far. Continue reading → Share this:TwitterFacebookLinkedInEmailPinterestRedditTumblrPocketPrintLike this:Like Loading...