30mm dia. identification disc (surface wear, patination, condition consistent with use) with figural eagle bar including pinback and hanger. Obverse features engraved identification: "Alexander Campbell / Co. B. / 154 Regt. P.V." Reverse with blank center, surrounded by olive branch motif and legend "War of 1861 / Engaged in the Above Battles." 

Provenance: Julian Converse (manuscript ledger sheet listing the item and its original purchase date).

Alexander Campbell enlisted as a private on 8 November 1862, mustering into Company B of the 154th Pennsylvania Volunteer Infantry Regiment the same day. He was promoted to first lieutenant in January of 1863, and dismissed from service that June. Companies A, B, and C of the 154th Pennsylvania were assigned to provost duty in the city of Philadelphia after mustering into service.