RARE original first model early 1873 lock plate dated 1873. These dated lock plates were used through the Custer range. It will fit and function perfect on any Springfield 45-70 Carbine, rifle or cadet. Excellent condition overall with deep clear markings and the threads in great condition. If you are planning to build a Custer carbine or sporting rifle in 45-70 this would be a wonderful addition and will work great. These dated lock plates are difficult to locate and this one is has exceptional deep markings.