Lot of three billon tetradrachms of Commodus. (1) Year 24 = 183/4 AD, 10.29g. Head laureate right / Emperor standing left sacrificing at altar before bust of Sarapis on column. Cologne 2212. (2) Year 28 = 187/8 AD, 10.60g. Head of Commodus laureate right / Bust of Sarapis right wearing kalathos. Cologne 2231. Emmett 2555/28 (R2). (3) Year 30 = 189/90 AD, 12.78g. Head of Commodus laureate right / Head of moon-goddess Selene left, facing crescent. Cologne 2252.