1900H沙磱越5毫,背面边缘有突,PCGS XF Details,罕见。Sarawak, Rajah Charles J Brooke(1866-1917), 50-Cents, 1900H, head of Rajah left, rev.denomination within knotted wreath (KM 11), small amount of extra metal on reverse rim at 3 oclock, PCGS XF Detail (Mount Removed), scarce