Bust of Rudrasena II right, with corrupted Greek legend (Indo-Greek style), date in Brahmi numerals behind - 181 Saka Era = 259 AD) / Three-arched hill or Chaitya, with river, crescent and sun, within legend in Brahmi Rajna ksatrapasa Viradamaputrasa Rajno mahaksatrapasa Rudrasenasa ("Of Raja Mahasatrap Rudrasena, son of Raja Satrap Viradaman"). 15mm, 2.45 grams. "Studies in the Coinage of Western Kshatrapas" #592ff; Senior ISCH 354D: "The Silver Coinage of the Western Satraps in India" #27.1.181.
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The Western Kshatrapas, or Western Satraps, (35-405 CE) were Saka rulers of the western and central part of India (Saurashtra and Malwa: modern Gujarat, Maharashtra, Rajasthan and Madhya Pradesh states). They were contemporaneous with the Kushans who ruled the northern part of the Indian subcontinent, and the Satavahana (Andhra) who ruled in Central India.