we have got a copper plate of EIC.1818 which appears to be a part metal of lightning rod transformer of East India Company. It has danger mark with the words East India Company,1818, Wt about 1Kg,Size- 5/7" in oval shape,thickness 1/2" with rice pulling property upto 7" distance,fused torch bulb. The said article is in Upper Assam. We are looking for a very reliable buyer. Price is negotiable. Contact via email:thbimolchand@gmail.com