Vinyl pressing mistakes

Lugnut,
If you liked that one, you should read my response to the "ONE great lovesong" thread. I'm surprised no one picked up on that one. Especially if you are a Warren Zevon fan. ;)

In the early 1980's my old chief inspector gave me an mislabel LP. He purchased 1974's Valentin Baglaenko "Gypsy Songs And Ancient Romances" for $1.99 but what was cut in the grooves was The Grateful Dead "Best Of"? "What the hell is this... high on cocaine..." was his reply when he gave me this record explaining to me the relax mood he was in that night.

I had a pressing of the Stones "Some Girls" that had a side 1 label on both sides.
I thought it may be worth a zillion dollars at the time.
I ended up selling it with a bunch of other LP's.
I guess I'll never know!