Thanks for the comments! Yes, it does look like it was folded (possibly twisted) down diverting it from crossing the tip of the right wheat stalk. looks like a flap was lost a long time ago. It does partially cover that wheat stalk a little below the tip. I don't understand "SE" abbreviation though.
Best Find - 1976 D WQ DDO-001 http://goccf.com/t/356041
Interesting find - 1947 S over inverted S http://goccf.com/t/368005