I dug one like yours down at Shelbyville, Tennessee years ago.....except mine was in 9 pieces! It was all there but broke....I sent it to Robert McDaniel down in Alabama and he fixed it. He is great to deal with and can repair just about any relic. Congrats on a great and rare find!
I have the rarer C and no S plateView attachment 1408765
d2 Mr. McDaniel in AL. will be doing the work. Good call Tennessee digger. HH...