Adapted from ‘Human skeleton: front and back views.’ Coloured line engraving by J. Pass, 1796. Wellcome Collection. 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.