Sentinels of Magic Commendation

The Sentinels of Magic Commendation is a reward for heroes which is available from missions granting renown with the Sentinels of Magic.

Obtained from

 * 8th Precinct
 * Mannheim's Chinese Theater
 * Lair of the Spectre
 * Gotham University Warehouse
 * Circe's Stronghold

Trivia
The item is available as mission drop as well as as vendor item.