Strokes of Genius is an insert set in 2008 UD Masterpieces. The cards were inserted 1:15 packs with an overall autograph rate of one AU card per box. There are still discrepencies with the checklist for this set. With a very different checklist shown on Upperdeck.com vs. Beckett.com. Exchange cards for this set could be redeemed until 9/15/2010.