RPC4248 for this type from Syria, and RPC3915 for a dupondius of this style. RPC notes that the coinage of Augustus from Cyprus closely parallels that of Syria. Both regions produced a dupondius of c. 14 grams with these types. Syria made an as of this size. The style of this piece places it as certainly Cypriot.
Cypriot flans are broader, and more regular.
Cypriot style is finer. The mint was probably at the former Ptolemaic, now Roman capital at Paphos. Less likely this was struck at the larger industrial center of Salamis. Both minted coinage under Augustus. Click images to see enlargements.