1968 28c Fox Glacier missing yellow colour (with normal). SG 878a, cat £3000. CP OD27ay. Cat $4000. MUH. (Image)

1974 8c John Dory missing turquoise colour, no wmk, spectacular. Also 1973 7c Fish 2mm brown colour shift to left. With normals. CP P9b var, P11bx. Cat $600++. MUH. (Image)

c1990s Trial Orchid self adhesive strip of 3 on backing paper, inscribed "New Zealand" but no value shown, die cuages gauge 11½. Interesting discovery, first known to philatelists in 2014. MUH. (Image)

2003 50c Ailsa Mountains solid silver ovpt & fern error with top selvedge. Immediately recalled after issue. With normal silver ovpt for comparison. CP PE34b(z). Cat $1500. MUH. (Image)