21mm, Mississippi "I" button  "Hyde & Goodrich./N-O." backmark and is a fine Non-dug condition!  This is a fine, mellow Confederate button in non-excavated condition! It is from a house in Brucetown, VA near here there was extensive Mississippi camping from the resting period after Antietam and Gettysburg, both. It was a witness to some of America's bloodiest fighting.