This is for the Columbia Six-Eye label of the CL 825 release pressed at the Columbia Records Pressing Plant, Hollywood, plant as derived from the "H" deadwax stamp/etch on both sides, and with "NONBREAKABLE" on the right side of the label and sides not identified. Deep groove.
The runouts are stamped; although some variants may have an etched "H", there is also a stamped version.
This is a blue cover reissue of the original release ML 4418.

The full title of this release is "Masterpieces By Ellington In Uncut Concert Arrangements" as it appears on the front cover. The title is abbreviated on the spine, back cover and labels as "Masterpieces By Ellington".

Recorded December 19, 1950

Track durations are not present on this release.