Greeting Card Patent of the Grand Piano 1950

The exact middle of a piano keyboard is not middle C, but is actually the space between E and F above middle C. The impressively intricate instrument has over 12,000 parts of which 10,000 are moving parts. * A6 size (148mm x 105mm) * Luxury pearlescent eco-certified paper * Produced in our London studio * Trivia fact on the reverse