By Tobias Carroll Sometimes valuable art can turn up in the most unexpected places. The David Bowie painting discovered at a thrift store not long ago is but one example, but it’s far from alone. And we might have just witnessed the apex of this phenomenon — and it all started in a dumpster on a Connecticut farm. As the Connecticut Post recently reported, this all began in 2017. A mechanic named Jared Whipple got a call from a contractor friend of his who had found a dumpster full of paintings at a barn that in the process of being sold. (The article notes that the paintings had been considere…