Lot Essay
As a genius or god of time, Aion was considered to be a representation of eternity and, therefore, a means of apotheosis. For an example with similar iconography, see the column base of Antoninus Pius, now in the Vatican Museums (no. 19 in le Glay, "Aion" in LIMC), on which he and Faustina are portrayed riding on the wings of Aion during their apotheosis.