British North Borneo: New Darvel Bay (Borneo) Tobacco Plantations Ltd., 25 cents, STRUCK IN GREEN CELLULOID, with black centre core, undated, weight 2.79g, *Unique, the only piece known to exist*This is the actual piece illustrated in "The Encyclopedia of the coins of Malaysia, Singapore and Brunei 1400-1967",NGC Census and Coin Archive InformationNGC: None in censusPCGS: None in Population ReportCoin Archives: None(Pr-unlisted, SS-77), NGC F 12, NGC Cert. #5984220-011. Spink Singapore, Auction 1105, 25 June 1994, SC 540 Barrett, Purch. 9406D.。