Sheet of 20 x $3.00 'Joan Wiffen (1922-2009) palaeontologist' gummed stamps.
Joan Wiffen was a self-taught palaeontologist who, in 1975, discovered Aotearoa’s first dinosaur bone, a tail bone from a theropod, in Mangahouanga Stream in Hawke’s Bay.
J. Wiffen (1990) New mosasaurs (Reptilia; Family Mosasauridae) from the Upper Cretaceous of North Island, New Zealand, New Zealand Journal of Geology and Geophysics, 33:1, 67-85, DOI: 10.1080/00288306.1990.10427574
In celebration of all the women scientists in Aotearoa New Zealand, this stamp issue highlights the remarkable work of four trailblazing women. Click here to find out more.
| Date of issue: | 2 November 2022 |
|---|---|
| Number of stamps: | Four gummed stamps |
| Denominations: | $1.70, $3.00, $3.80 & $4.30 |
| Designed and illustrated by: | Jo Bailey, Wellington, New Zealand |
| Printer and process: | Southern Colour Print, New Zealand by lithography |
| Number of colours: | Four process colours |
| Stamp size and format: | 28mm x 35.16mm (vertical) |
| Miniature sheet size and format: | 128mm x 90mm (horizontal) |
| Paper type: | Arconvert securpost premium gummed 110gsm |
| Number of stamps per sheet: | 20 |
| Perforation gauge: | 13.50 x 13.75 |
| Special blocks: | Plate/imprint blocks could be obtained by purchasing at least six stamps from a sheet. Barcode blocks were available in A and B formats. |
| Period of sale: | These stamps remained on sale until 1 November 2023. First day covers were only available until 28 December 2022. |