- Artist
- Al Jolson
- Title
- My Mammy / Sonny Boy
- Label
- Brunswick 03830
- Country
- UK
- Released
- Unknown
- Format
- Shellac, 10", 78 RPM
- Format notes
- +IP Tax Code
Runout and matrix codes
Etched or stamped in the dead wax between the last track and the label. If yours match, you have this pressing.
- WL4127T1ASide A, Stamped
- WL4142T5ASide B, Stamped
Other UK pressings of My Mammy / Sonny Boy
- ?Decca BM 03830Shellac, 10", 78 RPM
- ?Brunswick 03830Shellac, 10", 78 RPM, Repress
- ?Decca BM 03830Shellac, 10", 78 RPM
- ?Brunswick 03830Shellac, 10", 78 RPM, Repress
- 1947Brunswick 03830Shellac, 10", 78 RPM
- 1948Brunswick 03830Shellac, 10", 78 RPM, Repress
- 1953Brunswick 03830Shellac, 10", 78 RPM, Reissue
- 1955Brunswick 03830Shellac, 10", 78 RPM, Repress