Athens, Athena Owl Silver tetradrachm 454-404 BC. Athena & Owl Eastern?

Description

ATTICA, ATHENS
AR tetradrachm
449-404 BC.
Helmeted head of Athena right with olive branch decorated helmet, two
countermarks
/ owl facing, crescent & olive sprig in upper left,
Α
ΘΕ rt. all
within incuse square
17.0 gr.
Sear 2526, SNG Cop 31. chop marks on edge
These countermarks are associated with Athenian tetradrachms found in Egyptian hoards.
This coin may be an Egyptian or an Eastern imitative.
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