Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
You can use this work for any purpose, as long as it is not primarily intended for or directed to commercial advantage or monetary compensation. You should also provide attribution to the original work, source and licence. Read more about this licence.
Credit
Crimean War: a guardian angel appearing to a widow mourning the death of her husband on the battlefield. Coloured aquatint by J. Harris, 1856, after O. Norie and W. Bullock Webster. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.