Wisconsin bargain hunter paid $29 for painting; later identified as Heade, sold for $882,500

In a remarkable turn of events, a man from Wisconsin stumbled upon a magnolia painting for just $29 at a rummage sale in the 1990s. A decade later, the artwork was authenticated as the work of esteemed American artist Martin Johnson Heade. Auctioned at Christie’s, it fetched an astonishing $882,500…