U+1018D "𐆍" Greek Indiction Sign Unicode Character

U+1018D "𐆍" Greek Indiction Sign is a historical numeral symbol used in the Byzantine and later Greek writing systems to denote the number 15, specifically in the context of the indiction cycle, a 15-year tax assessment period in the Roman and Byzantine empires. This sign belongs to the Ancient Greek Numbers block and was employed in manuscripts and inscriptions to mark years within this cycle, serving as a compact notation for administrative and chronological purposes. Its inclusion in Unicode helps preserve the digital representation of this ancient numeric convention, allowing scholars and enthusiasts to study and reproduce historical texts accurately.