Oman Currency Board, a partial set of colour trials of the ND, 1973 issue consisting of, 100 baiza, ¼, ½ and 1 rial Omani, purple, green, black with purple and blue respectively, all with arms at right(Pick 7cts-10cts, TBB B101at-104at), all with red SPECIMEN overprint, first two in PMG holder number 68, gem uncirculated, third, holder number 70, perfect uncirculated, fourth, number 66, choice uncirculated (4).
Estimate: £2,000.00 - £2,200.00