My local camera dealer has an interest in Minox and 16mm, so he always would have some of these cameras on his table at camera shows. That is how I got most of mine. Some of these cameras, when you see them in person and hold them, make them more desirable. You can better appreciate the small size and precision of manufacturer.Which made me realize that I hardly ever came across 16mm still cameras locally. I am not quite sure why. Likely reason is that in the respective period such japanese cameras typically only were sold by mail-order retailers.
Wow, I just noticed on his site he has three GAMIs !! All local to me...maybe I need to give him a call....
http://www.igorcamera.com/vintage_subminiatures_cameras.htm
http://www.igorcamera.com/minox_spy_cameras.htm