Tobias Conrad Lotter was an engraver active from the 1740s to his death in 1777. He acquired the business of his father in law Mattheus Seutter in the early 1760s. Later issue of map by Seutter. Imago Mundi 53 ‘Seutter, Probst and Lotter: An Eighteenth Century Map Publishing House in Germany’ pp. 130-5; Shirley BL. T.Lott 1a.