This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Penny Postage Jubilee by Westoby . en The cover of Penny Postage Jubilee descriptive catalogue of all postage stamps of the United Kingdom of Great Britain and Ireland issued during fifty years London Sampson Low Scan of original Westoby PDOld Philatelic literature Book covers from the United Kingdom book covers