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Yes Hannibal did mint several coins from pillaged loot while he was in italy, these coins were mainly used to pay mercenaries and to bribe city officials. He minted many different coins in different denominations and metal contents. One such coin that has been identified were the Quarter Shekels minted at a military mint in S. Italy - link and pic
Additionally, Hannibal minted electrum coins in capua during his control there. These coins had an obverse of a janiform head and reverse of zeus. These coins were minted with the same metallurgical ratios and styles of those in Carthage and they were minted according to the carthage weighting system and not romes.
"COINS STRUCK BY HANNIBAL IN ITALY", Percy Gardner, The Numismatic Chronicle and Journal of the Numismatic Society Third Series, Vol. 4 (1884), pp. 220-224.