Chalkis. 340-294 BC or possibly slightly later.
Denomination : Silver drachm
Reference : Sear Greek 2483
Size : 16.1 x 16.5 mm. Weight : 3.55 grams.
Grade : gF/F
Obverse : Head of Hera right, with slightly crude style that Sear lists as being possible a slightly later issue than the the finer style issues.
Reverse : Eagle flying right, carrying a snake, with a Greek inscription below, naming the city (only one letter is visible).