Get 2 Free Double Mastery Certificate (Day 09/06) 1 minute to read shanubaba September 6, 2018 Farmville 2 Gifts No Comments The Double Mastery Certificate gives you double mastery points for 1 day! Hi players. We want to gift you with 4 Double Mastery Certificate Links, this link isn’t for all! Click on the image below to obtain it! ^_^ (109) Comments comments Tags:Farmville 2, Farmville 2 Gifts Add a Comment Cancel replyYou must be logged in to post a comment.