A view of the first Blackfriars Bridge, built by Robert Mylne from Portland stone, opening in 1769. Mylne was a young Scot who had studied architecture in Rome, where he had been befriended by Piranesi. Having won the commission to build Blackfriars Bridge, Mylne sent his mentor a drawing of the work in progress. In an incredible act of generosity Piranesi replied by sending a copper plate of professional quality back to London where Mylne had it published. With key engraved below.