In April 2017 Ebay seller jbeerd from Moscow in Russia was trying to sell these Tennessee 1915 replica plates. He is selling them as replicas (which is good) but the the registrations are impossible. If he knew what he was doing, he could have checked and discovered that 10700 is much too low for a 1915 plate and 36560 is much too high. Sadly he does not really know what he is doing and so has made these worthless pieces of scrap aluminium.
The big problem is going to come later when some of these plates get into the market or crooks try to distress them and claim they are genuine. From a photo during a sale or trade it will be very difficult to tell if the plate or plates are genuine or not.
This just makes everything difficult for everyone. Reproductions are very bad for the hobby and if you care about the future of the hobby, it is better you do not buy reproductions.