Onward and Upward - Carthaginian reenacting

[Paullus Scipio]

Yup ! And there is another coin, also issued by the Barcids, in Spain at that time which has a male head on the obverse, and a classic Late Thracian/Thraco-Attic type helmet with cheek-pieces on the reverse.
Coins are useful in that they depict emblems of the issuing entity, but they don't necessarily translate to shield designs, though they are useful for style and type.....
To support Silius Italicus' statement that Hannibal had a horses head emblem, is the statement that the horse was sacred to the god Ba'al (I can't recall where I read that ), and would thus be appropriate for him. ( the name in punic is more like 'Chanu-ad-Ba'al', meaning 'Glory-of-Ba'al')
The palm tree was a symbol of the city of Carthage(Q'art-Hadasht - New City) IIRC, some sort of pun on the name (?)
BTW, the guy wearing the Etrusco-Corinthian helmet is usually identified as Hannibal, and the coin is a di-shekel (two shekel piece)