830. Disposal of objects by trustees.

The trustees of the British Museum1 and the Natural History trustees2 may sell, exchange, give away or otherwise dispose of any object vested in them and comprised in their collections3 if: (1) the object is a duplicate of another such object4; (2) the object appears to them to have been made not earlier than the year 1850, and substantially consists of printed matter of which a copy made by photography or a process akin to photography is held by them5; or (3) in their opinion the object is unfit to be retained in the collections of the museum concerned