Shahjahan, Patna Mint, Silver 1/2 Rupee, 13 RY, Obv: Arabic legend The Kalima Shahada within a square, the four Caliphs' names in the margin, Rev: Persian legends "Shahjahan Badshah Ghazi" within a square,"saheb-e-qiran sani Shihab ud din Muhammad" & "zarb Patna" in the margin, 5.56g, 16.00mm, (KM # 218.7), about extremely fine, Very Scarce.