Crispus, Caesar. 321-324 AD. AE, Bronze Follis. Siscia. Sold for $50.00. Wed, 03 May, 2000 Seller CNG Coins, cngcoins.com Crispus, AE follis of Siscia. IVL CRISPVS NOB C, Laureate head right CAESARVM NOSTRORVM, VOT dot X within wreath. Mintmark Delta SIS sunburst RIC VII 181 Siscia EF. Estimate $50. With permission of cngcoins.com, May 2000