Side a: 500, Bank Indonesia, Lima Ratus Rupiah; image of an orangutan sitting on a tree limb; orange & green ink. Side b: image of a native platform house (Rumah ADAT Kalimantan Timur); 500 Bank Indonesia, Lima Ratus rupiah; VNQ198704; red & black ink. Front: Orang Utan (Orangutan; Orangutang); Back: Native huts in East Kalimantan; Watermark: Hadji Oemar Said Tjokroaminoto (Cokroaminoto). Color: GR,OR,WH