Image
An unusual place to display advertisements was on the back of postage stamps. People were invited to contemplate their buying needs before licking and sticking.
Te whakamahi i tēnei tūemi
Reference: PAColl-9379
Permission of the Alexander Turnbull Library, National Library of New Zealand, Te Puna Mātauranga o Aotearoa, must be obtained before any re-use of this image.