2017 Gretsch Cliff Gallup Signature Duo Jet2017 Gretsch Cliff Gallup Signature Duo Jet G6128T CLFG With Certificate of Authenticity With Hardshell case?? G6128T CLFG CLIFF GALLUP SIGNATURE DUO JET??? Gretsch couldn???? t be more delighted to honor original era master Cliff Gallup, whose tastefully fleet fingered work hot rodded dozens of classics by Gene Vincent and his Blue Caps in the latter half of the 1950s. Soft spoken in manner, Gallup was anything but with a Duo Jet??? in his hands,