Qatar & Dubai Currency Board, colour trial 5 riyals, ND (1966), serial number A/1 000000, purple on multicolour underprint, dhow, oil derrick and palm trees at left, red SPECIMEN overprint and one cancellation hole(Pick 3ct, TBB B103t), in PCGS holder 64, very choice uncirculated, very rare.
Estimate: £3,000 - £4,000