Adapted from ‘Hands showing the sign language alphabet.’ Coloured line engraving, c. 17th century. Wellcome Collection. This adaptation spells ‘HAPPY BIRTHDAY TO THEE’. Original work licensed for use under Creative Commons Attribution (CC BY 4.0). 170mm x 120mm (6 3/4" x 4 3/4"). Blank inside. Individually wrapped in a compostable bag with a 120gsm recycled kraft envelope. Printed with vegetable-based inks on a carbon neutral press using responsibly sourced, 300gsm Italian paper.