Mason Hamlin BB semi concert piano. The item "Equal Steinway Mason Hamlin semi concert grand piano model BB totally rebuilt" is in sale since Thursday, December 16, 2021. This item is in the category "Musical Instruments & Gear\Pianos, Keyboards & Organs\Pianos\Grand & Baby Grand Pianos". The seller is "franceios" and is located in Laguna Beach, California. This item can be shipped to United States.