These are the result of aging and use NOT abuse. The unit is in perfect working order, may have been updated or repaired by a factory representative. There are one to three superficial inclusions or scratches visible beyond 12 inches. There is NO rust, not even a tad. The unit is in perfect working order with all functionality intact.
All markings are legible and clear.
Minor scratches and one or three small nicks are visible. There may be slight fading of the letters on the faceplate. The component must be in perfect working order. All switches and functions are operational. Inputs from readers have helped us illuminate and distinguish the differences among the various grades.