British Sumatra, 1 Keping 1786/1200h gilt PROOF,NGC PF 66 (NGC cert # 4692680-003). Pedigree: Not presently known.Please click on the following link to view rotational video clips of the coins https://tinyurl.com/VideoSumatraPlease click on the following link to view more Pridmore pages https://tinyurl.com/PridmoreSumatra