These stickers are avaible for buy at the gas stations and post offices around whole Czech Republic

(motorcycles dont need to pay anything)

valid from 1.12 2010 to 31.1.2012 for price 1.200 CZK (about 50 €)

valid for 1 Month after buying for price 350 CZK (about €15)

valid for 10 days after buying for price 250 CZK (about €10)