Crystalate Gramophone Record Manufacturing Co. Ltd., Tonbridge, Kent, and London.

Commenced producing the label in 1920, although before this manufactured other labels. Until the summer of 1923, Imperial issues were all of British recordings, with a few European items. The gold on blue label; as shown existed till 1926. The last Imperial record was issued in February 1934. 

American masters were drawn from Banner, Plaza, Crown and perhaps others. 

Artists: Include several from Fletcher Henderson, and some from Louis Armstrong. Imperial 1420, of Alabamy Bound, issued in May 1925, was the first solo by Louis Armstrong issued in England.
 

Records in collection:

L101 c3+ IMPERIAL British Made.
1534 (3949).  CAROLINA SWEETHEART  (Billy James). 
Played by Greenings Dance Orchestra. Vocal chorus, Chas. Bonheur.
1534 (3947) BABETTE  (H.Nichols)  Ibid.

U003 sc3 IMPERIAL
Crystalate Gramophone Record Manufacturing Co. Ltd., London
C123-3 JACK PAYNE - Himself.
C124-3 SAY IT WITH MUSIC   F.D.& E.  
[The record is only 3 1/2 inch diameter; the label 1 1/4 inch diameter.]

U7-09 sc2 IMPERIAL JUNIOR British Made
No.34. (DC234).  JUST STEEP Vocal sung by Paul Manning.
No.34. (DC213).  WHEN I SAY GOODBYE TO YOU. Sung by Sydney Bolton.
(A seven-inch record)