Fenton Hobnail Opalescent Glass Handled Basket. An intriguing Fenton piece, clear opalescent glass gives way to a rich, royal blue edge and handle. The Fenton hobnail basket is 7" high and 5" wide. This Fenton glass basket is marked with the Fenton logo indicating post 1972 production. The Fenton hobnail opalescent basket is in very good condition.