A young Norwegian woman appears with blue jean vest and denim on denim in a 1976 Norwegian TV-series names FLIMRA.
https://tv.nrk.no/serie/flimra/1976/FBUA07002876/avspiller
Dedicated to all the beautiful women around the world wearing denim jeans vests while the 1970s this may also be some kind of online museum for the jean vests and denim waistcoats, that were an important part of the fashion in the 70s.
A young Norwegian woman appears with blue jean vest and denim on denim in a 1976 Norwegian TV-series names FLIMRA.
https://tv.nrk.no/serie/flimra/1976/FBUA07002876/avspiller
Three young Norwegian women wear denim on denim on a school yard and around in a 1976 Norwegian tv-series named FLIMRA, one triple denim with denim jacket, blue jeans and denim vest. Not displayed in order of appearance.
https://tv.nrk.no/serie/flimra/1976/FBUA07006675/avspiller
These ladies are a group of Norwegian singers, named De Syngende Husmødre. All five woman wear denim on denim outfits on the cover of their Long Play Vinyl Album from 1978, with blue jeans, blouses and denim waistcoats by British brand FALMERS.
Romani singer Raja Udovikova wore a denim vest in 1977, when she was pictured together with her Norwegian husband. Found in the WWW
The Playmates were a girls band from Trondheim in Norway, appearing with lots of denim on their vinyl covers from 1975 (above) and 1976 (below). Names were Berit Langø, Rigmor Østmo, Heidi Holås and Grete Nilsen. Not totally sure, if the pieces they wear, are denim vests, but they are definitely sleeveless and made of denim.
Ludwig Metz took many picture of shop windows in Norway in the 1970s. This one from about 1973-1974 showing a dummy girl with denim vest.