MALAYA - Celebes. circa 19th century acid-etched iron currency of north-east Sultanates, 37.23g, spinning top shape with faceted pointed ends bearing ornamental spirals, and Arabic inscription around a cylindrical waist. See Mitchener# 3986 to 3990, UNC.
Reference; Michael Mitchiner, Oriental Coins and their values, volume 1; The World of Islam , Hawkins Publications, 2000.