No, they're not lefties, its just how Photobooth takes pictures...
...'61 Airline-branded Stratotone and that there rounded-horn Speed Demon posted in another thread.
Unfortunately, there's no date stamp or any markings of any kind ANYWHERE in there. BLAARG! No pickups, so I can't go by that either... but an old Speedbump I have fits in there, whereas a Kleenex doesn't...
Eh.
Regardless... I've got a fun few weeks ahead of me!