These bronze items are never sharp like arrows but always show the central rib which leads to their identification with olive leaves. They are a way of quantifying the amount of bronze and were probably a unit of exchange. It might seem a bit much to call them 'coins' but they are bought and sold by coin dealers and collectors. Of all the poorly understood areas of ancient numismatics this is definitely one in need of more study. If you are interested in making a purchase, please confirm price via e-mail.
Prices are subject to change.