Central Bank of Yemen, specimen 5 rials, 10 rials, ND (1981), red and blue respectively, Dhahr al Dahab and village of Thulla at left respectively, signature Ghani, (Pick 17s, 18s, TBB B109as, B110as), perforated, red SPECIMEN overprint, red DLR oval overprints at two corners, uncirculated (2)