The Kind of Blue is red label, black eye stereo Cs 8163. I have several six eye grey labels, but don't remember now if they are stereo or mono or both.
The grey label is Columbia "Masterworks" used to issue Classical,Soundtracks and Original Cast.It was issued in most if not all permutations of the artwork.From the original solid through 6 eye/2 eye/red and various later labels.Mono and Stereo.
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