(Newser) – The flea market box lot was less than $50, and the buyer picked it up mostly for the Paul Bunyan doll it contained. But it turns out the box lot also contained an original painting by Renoir that could fetch up to $100,000 in an auction at the end of the month, reports the New York Times. The 5.5-inch-by-9-inch painting of the Seine riverside is believed to be Renoir's Paysage Bords de Seine. It was bought from a French gallery in 1925 and later sold to a Maryland collector, but art historians aren't sure when or how it...