I have a friend who has found 2 Sword Belt Plate Buckles within the last year, at old homesites. If you think about it, men on both sides of the Civil War went home after the war, and many took their buckles and belts along with them. IF you hunt old homesites from the 1870's and after, it stands to reason you will find some of them. In the past few months, i have found a Carbine Buckle, a Heart Buckle, and now the Sword Belt Plate Buckle.
Don't get me wrong, it is the first one I have found in 39 years of detecting, but I have been detecting primarily in non-battle states almost exclusively.
But I agree, for Texas, it is a fine find, compared to what is produced East of the Mississippi.....I think the buckle predates the house I found it in, and my current theory is that a cowboy camped out under the trees back in the day, and lost it, or left it. Where I found it is on a small knoll, and between four 150 year old trees. So, I think it likely that was what occurred.
HH,
Dennis