I don't think the label is loose. Its probably just a matter of camera angle. The label is, perhaps, a little higher in the body than normal so it can only be seen in the photographs with a lower perspective.
And yes, this is a later label for Sr. Rubino than those we were analyzing. Someone else in another thread (perhaps Martin?) suggested that by 1913 (the late date of this label) the marketing advantage of drawing attention to Rubino's Vinaccia association may have passed.
From a decorative perspective... Sr. Rubino seems to have (ahem) gone round the bend by this point...
"The effect is pretty at first... It is disquieting to find that there are nineteen people in England who can play the mandolin; and I sincerely hope the number may not increase."
- George Bernard Shaw, Times of London, December 12, 1893