Gee discusses how Figure 3 of Facsimile 1 could be a priest even with a jackal head.
John Gee, “Abracadabra, Isaac, and Jacob,” FARMS Review of Books 7, no. 1 (1995): 79–83
[On pp. 79–83 of this article, "Masks and Priests," John Gee gives reasons on Egyptological grounds for how Figure 3 of Facsimile 1 could be a priest either with a bald head or a jackal head.]