I have owned this drum for about 20 years, and never really looked into what it might be.
It is a basic 5x14 Ludwig and Ludwig heavy nickel over brass two piece shell “Standard” snare. However, this one has black nickel plated hoops, the Ludwig logo is actually engraved (vs the usual stamped logo) and it has the initials EDH engraved one panel over from the strainer. As you can see, this looks to be professionally engraved at the factory.
I have seen one or two other similar drums with black nickel hoops over the years. I also vaguely recall seeing the engraved logo before. My thoughts are that perhaps it was made for an endorser (EDH), or a custom build for a customer. That might explain the engraved logo and initials.
Any thoughts on this drum and any idea who EDH might be? As a Rogers collector, I am not as informed about these drums as many of you Ludwig collectors and would appreciate your input.