I am selling a CD 133.4 Patent DEC 19 1871 with a number 3 on the back. It is a good old crude piece. I got it from a bottle collector who dug it up in Kentucky back a few years ago. It is hazy glass that gives it a great appeal, but if you want to tumble it, that will make an improvement. It has a bunch of BB dings in the back of the insulator. There are a few on the insulator. I am getting rid of this one because i found one i like better. I am asking 10 dollars plus shipping. If you would like more info and more pictures, please email me.