Oil portrait of a wealthy man in the 1920s

Very interesting portrait of a man in a hat with felt back hat taupé, can be a tricorne, very 19th, gray hair, black coat, this is a major character - this face may have been part of another painting and inspired the painter of it , unknown, possibly painted later, certainly in the 1920s. Mysterious, calm and strong presence. Oil on canvas, wood frames. A tiny chipped piercing - see photo. Dimensions 23cm x 40.5cm.