The other lesson....check that vinyl on discogs, look at the runout and see what inscribed in the inner groove. On both sides. I was just checking to see if I could figure out what year mine was pressed (no barcode) so I knew it was old. But when I saw the second side, it became a mystery. (I realize most of you aren't this geeky...but it's a lot of fun to realize you've found something special at a bargain.)