Watch List notes:

Bank Melli Iran, uniface obverse and reverse plate colour die proofs for 100 rials, purple, Shah Pahlavi at right, signatures Bamdad and Ebtehaj, reverse, Sasanian bridge in Dezful,(Pick 44pp, TBB B139), obverse with 'Plate colour no. 4.' in typed text, reverse with 'Plate colour violet No. 4.' in typed text, reverse with minor ink, both in PMG holder 64 and 63 Choice Uncirculated, very rare (1 pair).

Estimate: £600 - £800