I was guessing an '84, but was not certain. I'm glad Stan came along to clarify. I have an '83 standard Paramount and it is a great riding bike, but it uses the same serial number system as Schwinn used on the '70s Chicago built Paramounts.

I'd say that the BIN price is reasonable if the fork is in good shape and it is the correct size for you. I'd ask the seller lots of questions and ask to receive some better pictures. Best of luck.