On Tue, 15 Jan 2013 16:24:27 +0000, Roland Perry wrote:

And while the London ones seem expensive, the rucksack-sized ones I've
used in Geneva aren't cheap, CHF7-10 which is about £5-7.

At Oslo Central (Oslo sentralstatsjon, Oslo S) they cost from NOK 60 and
upwards, about £6.5.

--
jhk