This image was created and is now in the public domain in the United Kingdom, because its term of copyright has expired. According to the Copyright, Designs and Patents Act 1988 (c. 48), a reformation of the Copyright Act 1956 (c. 74), images fall into public domain:

Criteria	PD in UK if	PD in US as of 1st January 1996 if
Work was published by the British Government or a crown agency (see ((PD-UKGov)))	Created prior to 1974	Created prior to 1946 but the URAA may be inapplicable to some post 1946 works.[1]
A work by an identifiable author	Published by an author who died prior to 1954	Published by an author who died prior to 1926
Published work by unknown author that cannot be determined by reasonable research.	Published prior to 1954	Published prior to 1926
Unpublished work where neither the author or original publication can be determined by reasonable research.	Created prior to 1954	Created prior to 1926

More information at: http://www.legislation.gov.uk/ukpga/1988/48/contents

This file is NOT necessarily in the public domain in the United States because a non-simple image can only be in the public domain in the U.S.:

if it entered the public domain in the United Kingdom prior to 1996, or
when, after that date, its copyright term expires in accordance with U.S. law.

Information about the creation date and creator should be provided.

If the image is not in the public domain in the United States, in addition to the license tag for its status in the United Kingdom an appropriate fair use license and rationale should be provided, or the image should be proposed for deletion.

If the media is in the public domain in both the United Kingdom and the United States, it may be transferred to the Wikimedia Commons.

Note: If this image is in the public domain in the U.S., modify the end of the copyright tag from )) to |commons)).
This will replace the preceding U.S. copyright notification with a nomination for this image to be moved to the Wikimedia Commons.