Holy Cow, that's stunning, Tom. Stories like this give us all something to hope for. As the Disney song goes 'Tales can come true, it can happen to you, if you're young at heart...'
Right place, right time, good karma and no second guessing yer instincts. This holds true for beater vacs that just need a good hosing off,as well as that forgotten old stock in a hardware store shut down in 1959 new in unopened box vacuum that never sold and ends up in a flea market.
Been a very very good Full Moon Thanksgiving for the worthy from coast to coast, I'd say.