Dave, As far as I know this one is original. It has the copper screw on base that screws on to the 6" threaded base. It has no glass molded flange as far as I can tell.

Collecting Conoco, Gates Rubber & Tires, B.F. Goodrich, Cliff Brice, Vickers, Mobil, National Refining Co., Philco, Ma Bell and Pikes Peak Hill Climb!