Yemen, Arab Republic, Currency Board, specimen 1 rial, ND (1969), green and multicoloured, also a colour trial in blue, both with 000000 serial numbers, alabaster head at left, reverse, houses in Sanaa, also a specimen 10 rials, blue-green and a colour trial 10 rials, purple, both ND (1964), arms at left, dam on reverse, (Pick 1b, 1ct, 3as, 3ct), perforated, red SPECIMEN overprint, uncirculated (4)
