And often so do we, to help us keep our collections in order.
Mind you, early on, it was quite common to find records with a different catalogue number on each side!
Via de rubriek "Accountgegevens" op Lexamore, of via de contactinformatie die is verstrekt in de Algemene Voorwaarden kunt u toegang tot uw gegevens verzoeken, alsmede wijziging of verwijdering daarvan, of bezwaar maken tegen de verwerking daarvan door de Meetic Group.
Sommige onderdelen van de informatie die u verschaft (foto's, uw profiel, lifestyle) kunnen uw etnische afkomst, nationaliteit, religie e.d. Dit is uw eigen keuze en gebeurt onder uw eigen verantwoordelijkheid.
Sometimes they have a prefix, as here: Be 5642 is on the label and also in the wax as shown at 1 in the scan.
It is very common for the master number to appear both in the wax and on the label probably just to make sure the right label is used. They may or may not; but in this case it does: and (no prizes for guessing) Be signifies an Odeon master made in Berlin.
There are numerous other books I have yet to obtain.
Regarding the internet, a great resource for dating 78s from the 1940s and 50s is the online Google Books of Billboard magazine.
All others I post one example of every different label design in my collection, even some with very subtle differences in wording or design.
Also, terms like master, mother and stamper are used below.
These refer to the different stages in the manufacture of discs.
This Master Number is indeed the number of the original Master Record from which all copies are derived.
Record companies have had many different systems for numbering their masters.