Ordered a web sling online (I use them on all my ARs). Guy had sold a bunch listed as "post-WWII US GI M1 Garand OD Green Canvas Rilfe Sling w/Hump Buckle - Original" and this was the last one. Showed up today, sealed in an old plastic bag.
Tore it open, pulled it out and here's what I found (46-47" long):
(If you can't make it out, that says, "JT&L 1943." It shows up a lot better here than in real life.) Not "post-WWII" and not a "hump buckle"...but I don't mind at all.
I am far from an WWII web gear expert, but it certainly looks original to me. (Opinions are welcome.)
I don't think these came in plastic backs back in '43, so I assume that it was repackaged for storage sometime long after the war, but I'm absolutely certain it's never been on a rifle.
Problem is, now I kinda want a mint-condition M1 to hang it under.
Anyway, I declare this topic to be forum-appropriate because I bought it for a retro AR (even if it now finds a different home). Just thought I'd share because it's just damn fun to find old things in new condition!