Central Bank of Oman, specimen 1 Rial, 1994, serial number B/17 000000, red SPECIMEN overprint and De La Rue seals, one cancellation hole, specimen number 9, extremely faint evidence of mounting, annotations and date ‘10-11-93’ in top margin, in PMG holder 64, choice uncirculated, scarce
BNB B214cs, Pick 26cs £700-£900