All the stamps are in poor condition - see scans, but could form useful examples in a collection of these rare stamps

The 3d brown lilac stamp is postmarked 29 September 1870 Wellington. It has a large Star watermark. Perforation measured on a Lighthouse Gauge is 13 x 13. The paper is not Pellure Paper (SG84); The poor quality of the perforation serration on the left side of the stamp indicates that is a roulette. The flat bases to the perforation are consistent with an arc roulette or a serrated roulette perforation (SG67u CV £2500). A rounded perforation (rather than a roulette)  13x13 was also issued for this stamp (SG74 CV £600)

The red brown 1d stamp has a large star watermark and has an 1873 Christchurch postmark. It appears to be perforated 12.5 (top/base) x 13 (sides. The sides appear to be perforated using an oblique roulette. It is identified as SG132 (CV £60) on the basis of the postmark, but the perforations indicate that the stamp may be SG67s (CV £3500)

The 6d stamp has a central thin on its reverse side it has a clear NZ as a watermark and is identified as SG108 CV £65