Select Premium Koi. If you are familiar with Select Premium Koi, then Tricker's can provide you with some very gorgeous select premium koi! Since Select Premium Koi is more expensive and varies as to availability, please call 1-800-524-3492. Since Tricker's has a retail store the inventory changes daily. Once you select your premium koi they will be set aside to ship directly to you. Thus, Tricker's will let you know our current inventory at that time and shipping costs. These are special and beautiful select koi!