Blank greetings card with envelope featuring:

John Avery NPG 1893

© National Portrait Gallery, London

attributed to Henry Collen

Surgeon and inventor; worked with the ambulance service of the Polish Army in the 1830s; invented an apparatus for exploring the passages of the body; developed an operation for cleft palate.

Card size: 125mm x 175mm

Images are printed in their original proportions, within a white border.