Labuk - British North Borneo, $1, VIP PRESENTATION PROOF STRIKING IN SILVER, undated, weight 14.47g, NGC Census and Coin Archive InformationNGC: None in censusPCGS: None in Population ReportNone found in Coin Archives(LaWe-667, Pr-39A, SS-25), NGC PF 63, NGC Cert. #5984215-005. Excessively rare, Spink-Taisei, Singapore, 15 May 1986. SC 565 Barrett, Purch. 569.。