Stamp Details NZ Post Ltd gives lots of information about the operations of the New Zealand postal service. However, you may wish to go straight to New Zealand Post's Stamp Centre which gives information on recent New Zealand stamps. They also maintain a list of recent stamp issues . Paul den Ouden in Canada has an excellent set of pages on New Zealand Dependencies with descriptions of issues and many pictures of stamps, overprints, plate blocks, postal history etc. Illustrations of New Zealand first day covers .
Access is organised through a calendar for the current month.
Antarctic Philately including Ross Dependency is covered in an interesting web site including stamp images, historical details and postal history. Antarctic Philately from New Zealand provides an extensive site on all aspects of the stamps and postal history with much of interest covering New Zealand and Ross Dependency with examples of many covers. The Captain Cook Study Unit is a Society for anyone interested in Captain Cook. They maintain a page containing information on Captain Cook on Stamps . You can get information on the New Zealand lighthouses shown on N.Z. Government Life Insurance issues.