Bank Melli Iran, obverse and reverse die proofs for 20 Rials, 1931 (1932), red printing without underprint, Alamar and Lindenblatt signatures, with typed annotations in margins and ink annotations showing the locations of the secret letters hidden in the printing and used to detect forgeries, in PMG holders 64 EPQ and 65 EPQ, choice/gem uncirculated, unique in this format, secret letters clearly visible under magnification (2 notes)
BNB B103ap, Pick 20p £1,000-£1,500

This lot was sold as part of a special collection, The Mount Damavand Collection of Persian Banknotes.

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