In copyright
It is possible this item is protected by copyright and/or related rights. You may be able to use this digital item under a copyright exception, otherwise you need to obtain permission from the rights-holder(s). These may be identified elsewhere in the catalogue record. Read more about copyright.
Read further guidance on copyright exceptions in the UK.
Credit
M0017957: Portrait of Charles Mayo (1865-1939) / M0017958: Portrait of R.H. Dix. In copyright. Source: Wellcome Collection.