Lot of 6 billon tetradrachms of Valerian I and 15 of Gallienus. Virtually all attributed by BMC, many also by Dattari and/or Cologne. Four of the Gallienus coins have reverses Decennalian wreath, Bust of Zeus, Bust of Helios, and Bust of Selene. One of the coins is ex Dattari, being illustrated in Dattari-Savio.