glare: Mercury, photographed by Mariner 10, 29th March 1974.
Centred on 39°S 42°W. At top right is a segment of Neumann Crater (named for Johann Balthasar Neumann, 18th century German architect) and the diagonal linear feature below and left is Mirni Rupes (that is; a cliff, named for one of the ships in Lazarev and von Bellingshausen’s mission to explore the Antarctic). Other features are, as yet, unnamed.
Image credit: NASA/JPL/ASU.