This is original GM  lower RH door hinge off of a 1970 Buick Skylark and will also work on the 1968-72 GM A-Body cars such as,

Buick Skylark, Skylark Custom, GS 350 400 455, GSX, Stage 1, Sun Coupe, Special, Special Deluxe, Special Wagon, Sport Wagon. 

Chevrolet, Chevelle, SS, Malibu, El Camino, Monte Carlo.

Oldsmobile, Cutlass, Cutlass Supreme, 442, F85, Vista Cruiser.

GMC Sprint.

Pontiac GTO, Tempest and LeMans cars.

Condition is used, nice original hinge, hinge has new bushings installed, stamped number on the hinge is 2658