Banco Nacional Ultramarino, Portuguese India, an obverse and reverse die proof for a 500 rupias, ND (1946), blue-grey and white, Albuquerque at right, arms top left, reverse maiden and shipping through the ages, arms top right(Pick 45 for type, Razack-Jhunjhunwalla 12.34.1 for similar), date '42.9.46' in top margin, good extremely fine and rare (2).
Estimate: £700 - £900