Made By Ernest J. Day & Co. Ltd.
Printed By Ernest J. Day & Co. Ltd.
I add the year of the recordings, as this is a valuable information (from rear cover)
A1 = 1906, A2 = 1908, A3 = 1908, A4 = 1910, A5 = 1905, A6 = 1905
B1 = 1908, B2 = 1908, B3 = 1907, B4 = 1907, B5 = 1908, B6 = 1906
Coloratura Soprano does not appear as Credit, but is a type of operatic soprano voice who specializes in music that is distinguished by agile runs, leaps and trills. (https://en.wikipedia.org/wiki/Coloratura_soprano)
On cover (rear): Printed and made by Ernest J.Day & Co.Ltd., London / short bio of artists
On label: Pressed in Monsanto LUSTREX R

Rights Society: BIEM