Nepal Rastra Bank, progressive proofs for uncut pair of 10 Rupees (3), ND (1974), first: obverse and reverse as issued, without serial number, second: obverse brown print and text, reverse multicolour underprint, cancellation holes, third: obverse multicolour underprint, reverse as issued, cancellation holes, minor handling, about uncirculated (3 uncut pairs)
TBB B218p, Pick 24p £240-£300