 Selmer-Maccaferri or Maccaferri guitar) designed and signed by Mario Maccaferri; Maccaferri parted company with Selmer in 1933 and later models were just known as "Selmer".These guitars were made in two first versions, the earliest with a large "D" shaped sound hole, and later models with a smaller "O" shaped sound hole.The later models are considered most suited to lead guitar playing.