View source for S 1122 - Ecbatana (Seleucus III), silver, tetradrachms (226-222 BCE)

{{Die Study
|Mint=Ecbatana
|Ancient region=Media
|Authority=Seleucid Dynasty (312-63 BC); Seleucus III Ceraunus (Seleucid king, 225-223 BC)
|Date from=226 BCE
|Date to=222 BCE
|Period=Hellenistic
|Metal=Silver
|Denomination=tetradrachm
|Standard=Attic
|Median weight=17.00
|RQEM reference=RQEM ad.
|RQEM reference number=1122
|Die study reference=Boillet 2009, p. 142-143, n° 616-617
|Number of obverse dies=2
|Number of singletons=2
|Number of reverse dies=2
|Number of coins=2
|Number of unidentified obverse dies=0
|Number of unidentified reverse dies=0
}}
{{Distribution Item
|Frequency=1
|Number of dies=2
|Die name=1,2
}}
{{Distribution Reverse Item
|Die name=R1 (series I-group 1),R1 (series I-group 2)
}}