HAPPY BIRTHDAY: Vintage Greeting Card

Text on the reverse side:

Image taken from a vintage electric publicity poster. Did you know that only 10 percent of energy in a standard light bulb is actually used to create light? Ninety percent of a light bulb’s energy is used up in the heat.

• 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)