The Akio Seki Collection - British North Borneo - Labuk British North Borneo - 50 cents before 1924 (LaWe 669b / SS 22 / Pridm 40) - Obv. In the centre: value. Legend: Labuk British North Borneo / Rev. In two Chinese characters : Wu Shih : 50 cents in tiny letter below : KB - copper 27.3 mm - Presentation piece: Proof. Plain edge. Superbe mintcolor. Some tiny spots, UNC / R3: extremely rare