Due to the clandestine nature of the business (even though many cards carried studio logos), little is known about the studios or the photographers responsible for making erotic postcards.
Very few photographers ‘signed’ their work, and even less is known about the models: they were originally believed to be Parisian prostitutes, but it in fact appears they were more likely working-class women who made money on the side by modelling.
"We feel that Naked Attraction is revealing and made to be entertaining.
"As the programme contains nudity it is screened in a pm Adults Only time slot.
The postcards also reflect changing ideologies in the work of artists and in society generally.
The ‘new sculpture movement’ of the 1870s introduced more realistic model poses, and pushed the boundaries of acceptable taste for nude figures – this opened the way for the wider range of poses used by early 20-century photographers.
The risqué postcard genre in effect ended by the start of the Second World War, and post-war these types of images appeared in magazines and in a range of photographic formats.
The Broadcasting Standards Authority (BSA) said any complaints about broadcasts – other than privacy and election programme complaints – must be made to the broadcaster first.
The broadcaster then has 20 working days to respond with a written decision.
Season one of the show has joined TVNZ 2's Friday night line-up, with the first episode featuring an average of five penises and two vaginas every minute, according to the Daily Mail.
A TVNZ spokeswoman said the show was unlike anything screened on TVNZ 2 before.