THE OTC MAKERS' SERIES by Original Tin Cup Co. $44.95 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Introducing the OTC Makers' Series, This limited edition hand-made cup features Horween Leather and is made by Harbinger Leather Design in Grand Rapids, MI. Only 100 cups will ever be produced so order yours today!