PD-UKGov

This work created by the United Kingdom Government is in the public domain.

This is because it is one of the following:

It is a photograph taken prior to 1 June 1957; or
It was published prior to 1974; or
It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1974.

HMSO has declared that the expiry of Crown Copyrights applies worldwide (ref: HMSO Email Reply)
More information.

See also Copyright and Crown copyright artistic works.

Usage

This template is for tagging files with expired crown copyright. This files are usually eligible to be moved to Wikimedia Commons.