The tariffs are for guided visits for organised groups, including school groups.
COST half day (usually I place)
90 euro for groups up to 15 people + 2 euro for each extra person
e.g. 30 people pay 110 euro
COST full day (usually 2 places)
150 euro per group up to 15 people + 3 euro for each extra person
e.g. 30 people pay 175 euro
supplement for foreign language 30 euro
hourly supplement 25 euro for each extra hour or part thereof
Gross tariffs, exempt from VAT art 10 DPR 633/72
Entrance fees to museums and donations to churches are not included.