Paintings by Jack Butler Yeats, from the collection of Vincent and Jacqueline O'Brien, are to be sold at auction at Adam's in Dublin, Ireland on Wednesday, December 4. Among the highlights from the collection is The Horsemen, which was painted in 1947 and has an estimated worth of €500,000--€800,000. Stuart Cole, managing director of Adam's, said, "This auction joins together two legendary Irish figures of the 20th century--Ireland's greatest painter, painting his favorite subject, horses, and one of the all-time greatest Irish horse trainers and breeders, together in a once-in-a-generation...