[78-L] His Master's Voice labels - small number?

[Steven C. Barr]

From: "Han Enderman" <jcenderman at solcon.nl>
> Presumably administrative ("control") nrs.
> At the time of the Ellington label shown, UK recordings have prefix 30- 
> and US recordings have 40-.
> Han Enderman
> HMV labels often have their catalogue numbers such as B.6449 as well 
> as another small number like 40-6067.  This is not the matrix 
> number.  Can anyone tell me what it signified, please?
> 
British record firms seem to have assigned extra numbers to recordings.
There were NOT matrix numbers...nor do they relate to the catalog
numbers of the records...?! I call them "side numbers" and have NO
idea of their meaning...?!

Steven C. Barr