Here is my 1961 model 15-1 that I had acquired from the original owner in my home town here in CA approximately 10 years ago in NIB condition. At that time model 15's were only available to LEO's except if you were lucky to find one from a private party to enable a legal PPT. It took me a long time to discover my beautiful 15-1 and this is the reason I had chosen to keep it unfired in my collection: