This weekend I picked up another vintage machine. From my research I belive it is a Singer model 66. From its serial number, it was produced in 1926. We plugged it in, the motor runs. We were thinking of parting it out, but I think we will keep it. I do have one question about this machine. Its carrying case is pretty rough and smelly, I have read about how to clean the cases to get the odors out. The unusual thing (at least to me) is that the case is labeled Necci. The machine is definitely a Singer, it fits in the case perfectly. Were the cases of this time interchangable?