1. Italy 500 Lire 1994 (commemorative issue, demonetised) Small collector value according to Numista:
https://en.numista.com/catalogue/pieces715.html2. France 10 francs 1991 (demonetised)
3. UK 50 pence 1997, current circulating coin, value approx. 63 US cents
4 and 5. France 20 centimes 1982 and half franc 1966, both demonetised
6. UK 2 pence 1977, current circulating coin, worth a bit more than 2 US cents
7. Switzerland 1975 20 rappen, current circulating coin, worth approx. 20 US cents
8 and 9. France 1 franc 1966 and 10 centimes 1976, both demonetised
10. Switzerland 1959 10 rappen, current circulating coin, worth approx. 10 US cents
11 and 12 France half franc 1977 and 1977, both demonetised
The demonetised pre-Euro French coins are practically valueless in circulated condition and are the sort of coins most dealers would throw into their junk trays or sell in bulk. Fun holiday souvenirs though!