2006-13年不丹皇家金融管理局10 努尔特鲁姆。单面样张。 左侧吉格梅-辛格-旺楚克国王水印。左下角笔跡 Proof No 502/1 。 BHUTAN. Royal Monetary Authority of Bhutan. 10 Ngultrum, 2006-13. P-29sp. Specimen Proof. PMG Gem Uncirculated 66 EPQ. Watermark of King J.D. Wangchick at left. Penned Proof No 502/1 at bottom left corner.