Thanks for the replies.
The ad is under the name of imaginecruising.com.au Hurtigruten also seems to be a Scandinavian company involved.
16 day Itinerary - 11 on a ship in and out of the Norwegian fiords, - cost varying from $6,199 A$ to $8,499 A$.
The "Northern lights Guarantee" is a little banner across the top photo in what I posted before. I thought it would not be worth the paper on which it was printed.
I actually laughed when a couple of your replies mentioned "Money back"!
I think not!
Cheers - and "He is Risen!"
Oh forgot to mention that one winter in my youth, the southern lights at 36 deg south were waiving green and red curtains - spectacular!