Medallion with a coin of Kanishka I, 4.4 x 4.5 cm, gold and garnet; Gandhara, 2nd C CE. Private collection
Source:
Osmund Bopearachchi; When West Met East Gandhāran. Art Revisited. vol.II, p.217
https://www.academia.edu/104677334/When_West_Met_East_Gandh%C4%81ran_Art_Revisited_vol_II
