Islamic inscriptions, geometric figures on both sides. "Arsa al-ma'murah" Satgaon ("populous territory of Satgaon") mint, dated to 780 AH = 1377 AD. 31mm, 10.58 grams. "The coins of Indian Sultanates" #B197A (same dies as the only other coin of this type known, pictured in the reference above).
EXTREMELY rare mint for this type!