Albert Einstein (1879–1955) remains to this day among the most famous and influential physicists, who developed the general theory of relativity, changing our understanding of light, gravity, and time. These postcards are made from thick high-quality matte paper, so they serve as a great addition to a gift or just a thoughtful written note to a friend. • 4/4 full bleed • 300 GSM • Paper thickness: 0.13″ (0.34 mm) • Laminated feel • White matte back with a small QR code or a bar code • Blank product sourced from the US