PATENT OF PIANO CONSTRUCTION (1950): Patent Greeting Card
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SKU GCA6-PTT032 Barcode 5057718088955
Text on the reverse side:
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
- GS1 barcode for POS
- Biodegradable cello bag (unwrapped option available)