Spiral staircase

[ama3282]

Can anyone give me a good tip on a spiral staircase (supplier, price)?
The staircase will be down to our basement (indoor).

 

[Bidda]

Found one in Gothenburg advertising in Norway:

http://www.finn.no/finn/bap/object?finnkode=8846172&sid=10awMjPDYQ704063&pos=1&tot=2