Galba, countermark on Claudius, 
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     Galba, Æ provincial sestertius of Claudius, from Perinthus,
     countermarked by forces loyal to Galba, (21.05g) . . . ISAP SEBA.
     . . . Laureate head of Claudius right, GALB in rectangular
     countermark. / Two crossed cornucopias. RPC 1748. Coin G,
     countermark VG, brown patina.