Blue aqua CD 257 Hemingray mouse ear cable. Patent dates are June 17 1893(note 1893 date error)/May 2 1893. Patent date should be June 17 1890.Damage: 1" needle sliver & tiny flakelet off corner edge of midriff(shown) and a small, NGM, see thru base arc bruise that cracks 3 related drips(shown).Ears are perfect as is rest of the insulator. $30 + shipping. SOLD!!!