1989年文莱500令吉。B/1 冠字。此系列中关键面值,评分67Q。色彩鲜明,保存如初,喜欢文莱的藏家定为之心喜。KNB18. B/1 Prefix. A key denomination for the series, found in a lofty 67Q holder. Excellent colors and originality sure to please any series Brunei collector.PMG Superb Gem Uncirculated 67 EPQ.