Singapore
Board of Commissioners of Currency, Singapore, obverse die proof for $1 (orchid series), ND (1967-), black, arms at right, marked 'Engraving Department', date '26/10/66' at low right, in PMG holder 64 EPQ, choice uncirculated, very rare
TBB B101p, Pick B1p, KNB 1 for type S$2,600-S$3,200