Greeting card illustrating the impurity of Thames drinking water in Georgian London. Printed in England on a light cream, 300gsm carbon-neutral Italian paper, made from 100% recycled post-consumer waste. Adapted from a coloured etching by W. Heath, 1828. Wellcome Collection. All our greeting cards are 170mm x 120mm (approx. 5” x 7”) and blank inside, individually wrapped in a compostable wrapper made from plants, with a 100% recycled, 110gsm kraft envelope.