Inscriptions in Tughra characers on both sides: Al-Muayyad bi-tayid al-rahman Jalal al-din Mohammed Shah al-Sultan  in Tughra / Shahada, mint and date in the margin. Arsah Satgaon mint, dated to 828 AH / 1424 AD. Excellent large silver coin. EXTREMELY rare, especially with a clear mint name like on this one. "The coins of Indian Sultanates" #B352.

This date is unlisted in the "Coins of the Indian Sultanates" (only 827 AD is published)