View source for RQEM ad. 291 - Cos (Caria), didrachm, c. 280-250 BC

{{Die Study
|Image=RQEM_ad_291.png
|Image reference=Paris, BnF, Fonds général 1202 (https://gallica.bnf.fr/ark:/12148/btv1b85232259)
|Obverse description=Head of Heracles right, wearing Nemean lion skin headdress.
|Reverse legend=ΚΩΙΟΝ
|Reverse legend language=Greek
|Reverse description=Crab. Beneath, club. In the field, magistrate name. All within incuse square with square of dots.
|Mint=Cos
|Ancient region=Caria (islands)
|Date from=280 BCE
|Date to=250 BCE
|Period=Hellenistic
|Metal=Silver
|Denomination=didrachm
|Median weight=6.70
|RQEM reference=RQEM ad.
|RQEM reference number=291
|Die study reference=Ingvaldsen 2002, p. 248-252 (series XI)
|Number of obverse dies=11
|Number of singletons=2
|Number of reverse dies=23
|Number of coins=91
|Number of unidentified obverse dies=3
|Number of unidentified reverse dies=2
}}
{{Distribution Item
|Frequency=1
|Number of dies=2
|Die name=O6,O10
}}
{{Distribution Item
|Frequency=7
|Number of dies=2
|Die name=O4,O9
}}
{{Distribution Item
|Frequency=11
|Number of dies=1
|Die name=O1
}}
{{Distribution Item
|Frequency=2
|Number of dies=2
|Die name=O5,O11
}}
{{Distribution Item
|Frequency=20
|Number of dies=1
|Die name=O7
}}
{{Distribution Item
|Frequency=18
|Number of dies=1
|Die name=O2
}}
{{Distribution Item
|Frequency=4
|Number of dies=1
|Die name=O3
}}
{{Distribution Item
|Frequency=15
|Number of dies=1
|Die name=O8
}}
{{Distribution Item
|Frequency=1
|Number of dies=2
|Die name=O6,O10
}}
{{Distribution Item
|Frequency=2
|Number of dies=2
|Die name=O5,O11
}}
{{Distribution Item
|Frequency=1
|Number of dies=2
|Die name=O6,O10
}}
{{Distribution Item
|Frequency=2
|Number of dies=2
|Die name=O5,O11
}}
{{Distribution Item
|Frequency=4
|Number of dies=1
|Die name=O3
}}
{{Distribution Item
|Frequency=7
|Number of dies=2
|Die name=O4,O9
}}
{{Distribution Item
|Frequency=1
|Number of dies=2
|Die name=O6,O10
}}
{{Distribution Item
|Frequency=11
|Number of dies=1
|Die name=O1
}}
{{Distribution Item
|Frequency=15
|Number of dies=1
|Die name=O8
}}
{{Distribution Item
|Frequency=18
|Number of dies=1
|Die name=O2
}}
{{Distribution Item
|Frequency=20
|Number of dies=1
|Die name=O7
}}
{{Distribution Reverse Item
|Die name=R1,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,R13,R14,R15,R16,R17,R18,R19,R20,R21,R22,R23
}}
{{Distribution Reverse Item
|Die name=R1,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,R13,R14,R15,R16,R17,R18,R19,R20,R21,R22,R23
}}