Petrof Model III Grand Piano Black Polish 6'4. Petrof Model III Grand Piano.Jim Laabs Music 1055 Main St. Some additional charges may be needed. The item "Petrof Model III Grand Piano Black Polish 6'4" is in sale since Friday, July 9, 2021. This item is in the category "Musical Instruments & Gear\Pianos, Keyboards & Organs\Pianos\Grand & Baby Grand Pianos". The seller is "jimlaabs" and is located in Stevens Point, Wisconsin. This item can be shipped to United States.