Iceland was the first country in the world to implement a point of sale display ban.
Government wins vote on banning tobacco displays from shops
Telegraph.co.uk, 7 May 2009
"In Iceland since the tobacco display ban came into force 30% of small shops have closed.
http://www.telegraph.co.uk/health/healthnews/5287055/Government-wins-vote-on-banning-tobacco-displays-from-shops.html