You need to tell us the coins diameter and/or their wheight to help you further, but:
1 - France - 3,6 or 12 Deniers (?) - 179x
2 - Guernsey - 8 Doubles - 1834/58
3 - Ireland - 1/2 or 1 Penny - 1822/23
4 - Great Britain - 1/4, 1/2 or 1 Penny - 1806/07
Jose