Forgotten John Constable Painting: $37 buy authenticated at $315,000; other 2024 finds hidden in plain sight

Hidden away in a cupboard for years, a painting believed to be by John Constable was recently found and has skyrocketed in value from its auction price of $37 to an astounding $315,000. This extraordinary revelation joins the ranks of remarkable discoveries, like a rare Lego mask and a Victorian br…