British North Borneo: Cadei Pitas Estate, 20 cents, undated, STRUCK IN COPPER, weight 4.50g, NGC Census and Coin Archive InformationNGC: None in censusPCGS: None in Population ReportCoin Archives: 1 example (in CSS72 Spink China 6 Nov 2021)(LaWe-724, Pr-60, SS-50), NGC XF Details (Corrosion), NGC Cert. #5984215-013. Extremely Rare, Spink Singapore, Auction 1105, 25 June 1994, SC 529 Barrett, Purch. 569.。