It's a 10" white label test. MASTER TEST NO. appears at 12 o'clock.
Below it, in light pencil, is: A5816
 
The line below that says artist; below that, selection; below that, date;
and at 6 o'clock: THIS RECORD IS NOT FOR SALE
 
The title is a Tin Pan Alley song, "Sunny Weather Friends", ca. 1920. The
singer's name isn't given, nor is the date.
 
The artist is a tenor and more than a bit above average. He has had vocal
training and is suited to the concert repertory, but perhaps not grand
opera. The recording is forward and clear.
 
It isn't from Victor, Columbia, or Brunswick. There is nothing beneath
the label.
 
For which company was it recorded? The number A5816 doesn't help me.
 
Paul Charosh