Bahrain Currency Board, specimen 10 dinars, 1964, serial number RF000000, green on multicolour underprint, arms at right, dhows at left and centre, signature of Sheikh Khalifa bun Sulman al Khalifa, reverse green, a view from above of Isa Town (Pick 6s, TBB B106s), red SPECIMEN overprint and oval red De la Rue seal, mounting traces, in PCGS holder number 58 CHOICE ABOUT NEW, not the usual Franklin Mint specimen, thus rare