1969 383 crankshafts: cast or all forged

E 383 = C-67, D-68, "E-69", F-70

So from the numbers you gave E 383 is a 1969 model 383, 11 25 2 is the assembly date 11/25/68 and should proceed the engine casting date 11/15/68 which it does. The last "2" is the shift.