Gadhaiya Paisa - Chalukyas of Gujarat, north-western India

The Gadhaiya Paisa tradition began as a crude imitation of Sasanian silver drachms introduced into northwestern India centuries earlier, degrading through generations of copying until the original imagery became barely recognizable. By the Chalukyan period, the type had been struck so continuously and by so many local authorities that individual attribution is often impossible — the coins were effectively a regional currency standard rather than a sovereign issue. Billon content varies considerably across the series, with some dies producing coins closer to base copper than silver.