Bank Negara Malaysia, obverse and reverse black and white die proofs for $1, ND (1967-72), obverse hand dated 23/3/66, reverse hand dated 10/3/66, both with annotations showing areas of imperfection in the die, each with fold across upper half, not going over the design at all, staple holes, otherwise good extremely fine and very rare (2 notes)
TBB B101p, Pick 1p £600-£800