In honor of Raymond van Barneveld's 50th birthday, Unicorn comes with the Limited Edition RVB@50 "Arctic Tiger" darts. This dart has 5 blue rings that represent the 5 world titles that Van Barneveld has to his name and also 4 white rings for his titles during the Grand Slam of Darts 2012, Premier League 2014, Dessert Classic 2007 and the UK Open 2006/2007. Extremley Rare Darts !!