I have seen one of these before, but only as a young lad! I remember that along Clifftown Parade in Southend, probably as late as the 1970's, there used to be a blue-painted cast iron collecting box, set into the pavement. Mounted on top of it was one of these enamel signs, and the lifeboat image used to fascinate me when I went passed it! How evocative to see one of these again, after so many, many years!