You most conveniently omitted a photograph of the shellcase headstamps. On purpose? To paraphrase James Carville, "It's the headstamp stupid"!
One final note on reloaded ammunition that incorporates shellcases of unknown history - oats are also cheaper after they have been through the horse.
Lol
Hornady reloading manual, third ed printed 1987, from my personal library. Just in case you were doubting yourself.