Great find, really enjoyed that. Thanks OP. To be fair to the clerk, lots of people looked like that in 1972 (including me.) Business as usual in a 1972 record store. Great time capsule, thanks again.
Bootleg bust
Poor guy was put on the spot.
(47) Neil Young goes record shopping, finds his own bootlegs (1972) - YouTube
Another random YouTube find. I've been to stores with that same look.