..It's a fancy-grilled Tilley RH57 that I picked up at an antique store. It's in good condition and just needs a bit of cleaning. Had a problem with the nrv leaking as I replaced the spring backwards. Now the spring is on correctly and the other leaks taken care of, it works great. The preheater is missing and I need one. For now, I'm using a makeshift preheater, which is basically a wick tied to a wire clip I bent.
Thanks for the welcome. For the record, the serial number on the bottom of the tank is 12570A, which I believe means it was stamped in December 1957.