Reserve Bank of New Zealand, obverse and reverse Bradbury Wilkinson photographs showing designs for a 20 Zeal, ND (c.1950s-60s), serial numbers AA 123456 and AA 567890, with Captain Cook at right and mountains on reverse, in non-numeric PMG holder, very rare and superficially similar to the £50 of 1940-67, other than the fantastic ‘Zeal’ denomination
BNB and Pick unlisted £300-£400