You have what looks to be an '83 Sport SS and it seems to have matured into the Sport SX in '85 but with a nicer frame.
Just because that '84 Sport SS on Ebay sold for $388 doesn mean yours will. Not that many people are looking for a bike like that in a 63, and one of the few found his bike. Is there a way to determine when that bike sold? Also it is in LA and the OP is in Spokane so I am sure it might take a bit to sell a bike up there this time of year.
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk