Sassanid Rock Relief of Bahram II at Naqsh-i Rustam

Photo by Diego Delso, delso.photo, License CC-BY-SA

Referenced as figure 51 in The military technology of classical Islam by D Nicolle
51. Rock-relief, "Fallen Kushan (?)," Triumph of Bahrām II, late 3rd century AD, Sassanian, in situ, Naqsh-i Rustam (Pope).
See Khūd Helmets by David Nicolle, an extract from The military technology of classical Islam