The letters — 2 meters high and with a combined weight of 500 kilos — were later advertised at a Dutch auction website.
The group operated under the name Ai! Amsterdam — a take-off on the city’s marketing slogan, Iamsterdam.
The pressure group, Ai!Amsterdam, was formed to protest an ever growing set of rules and regulations governing what can and can not be done in the city. The group’s name and logo are a take-off on the city’s marketing term, Iamsterdam.