Dr. Jan Willem Drijvers is a lecturer at the University of Groningen, The Netherlands.
According to Dr. Drijvers, this sketch was drawn by a Dutch traveller and painter called Cornelis de Bruijn, in 1681, when he visited Alexandria.
Dr. Drijvers copied from "Reizen van Cornelis de Bruyn, door de Vermaardste Deelen van Klein Asia...." which was published in 1698.