Why is there no paper label inside?

Becuase the serial number is on the badge.

Only a very few Dynasonics, from 1961, have a paper tag. Some had both a paper tag and the pointed dynasonic badge. Later, after about 300 or so drums, the badge was more rounded in the corners.

This is a nice looking drum. I would want to see far more detailed pics of the interior before I was to spring money on this. As well as top and bottom bearing edges, how the wrap is finished into the edge. All the important stuff. There were a lot of convincing forgeries out on ebay about 5 years ago, when a drum like this would have hit 4-5 thousand dollars.