RESERVE BANK OF NEW ZEALAND, polymer issues, D.T.Brash (1999-2003), twenty dollars, AA 99, AA 02 first prefixes (P.187a) (2); Alan Bollard (2204-08), twenty dollars, AA 04, AA 05 first prefixes, AE 05, AA 06 first prefix (3, consecutive trio) (P.187b) (6); Graeme Wheeler (2013-14), type I, AA 13, AA 14 first prefixes, AD 14 (2) and AM 14 (2) consecutive pairs (P.187c) (6); type II (2016-), AD 16 and AK 16 (P.193) (2). Uncirculated. (16)