I own indeed several hard to find colors....
Lime Green: AA, 2C, 2D, 3D
Jade: AA, 2D, 3D, 4D
Orange: AA, 3D
Midnight Blue: AA, 2D, 3D
Blue: 2C, 3C
Dark Green: 3C
Gold: AA (2 different versions + the real golden AA), 2C, 3D
Red 2C
Silver 2C, 3C (from 1983)
Grey: 3C
Pewter: 3D (real pewter = not...