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:
Windsor letterbox . Windsor Castle in Windsor England own Immanuel Giel Windsor Castle in Windsor England Source own photography Immanuel Giel October UTC derivative works PostboxRoyal CypherEVIIR King Edward VII post boxes in the United Kingdom Post boxes in Berkshire Red post boxes in the United Kingdom Wall mounted post