Province Northern Black Sea
City Olbia 
Region Sarmatia
Reign Koson
Obverse inscription ΚΟΣΩΝ, ΟΛΒ (monogram in the field)
Obverse design procession of three men in Roman togas, l., the foremost and hindmost carrying an axe over shoulder
Reverse inscription
Reverse design eagle standing, l., on sceptre, holding wreath in on claw

Coin no. 1 of RPC I, 1701C

 

Reference Baldwin’s The New York Sale IX, 13 Jan. 2005, lot 65
Diameter 20
Weight 3.04
Axis 3
External URI of the coin https://www.coinarchives.com/a/openlink.php?l=93237|100|65|872491024a24a154ac6e54d40f696fa4 
Note
Addition Additional coin (post publication)