I recently got the below case as part of a batch of motors. I'm hoping that someone here might be able to tell me a little about the history of this case? Other than some handling marks, the case is in extremely good shape inside and out. Case writing may be hard to read in the pic, so I'll post the details. It is a silver/clear anodized Dr. Rocket 75/6400 with a date of 11/98. Serial number reads Test Piece 001