British North Borneo: Labuk Planting Company Limited, 20 cents, copper proof, undated (Pre 1924), Initials K.B. on reverse, upright dies, plain edge, 25.5mm, weight 4.62g,NGC Census and Coin Archive InformationNGC: None in censusPCGS: None in population report.(LaWe-693d), NGC PF 62RB. NGC Cert. #6167957-017. La-We says Rare (RR). Spink-Taisei, Singapore, 15 May 1986.