[Review of:] Gasparini, Valentino: Individuals and materials in the Greco-Roman cults of Isis : agents, images, and practices : Proceedings of the VIth International Conference of Isis Studies (Erfurt, May 6-8, 2013 - Liège, September 23-24, 2013) - Nagel, Svenja, 1984- (Gnomon, 95 (2023), 2023)