1929, British North Borneo. Scarce Silver 25 Cents Coin. Mint Year: 1929 Denomination: 25 Cents Reference: KM-6Mint Place: Heaton´s mint (Birmingham) Material: Silver (500) Weight: 2.83gm The North Borneo Chartered Company or British North Borneo Company was a chartered company assigned to administer North Borneo (today’s Sabah in Malaysia) in August 1881. North Borneo became a protectora ...