Feb 12 French Flea Market FInds

Another decent weekend at the flea markets of Northern France, I scored the following silver:
1964 Kennedy half: $6.59
(2) 1934 Washington Quarters: $9.90
1964 Washington Quarter: $4.95
1942 Washington Quarter: $4.95
1943P Jefferson Nickel: $1.32
1959 Canadian Quarter: $3.93
I also have a lead on some Silver dollars. What is a decent price to pay per coin?
1964 Kennedy half: $6.59
(2) 1934 Washington Quarters: $9.90
1964 Washington Quarter: $4.95
1942 Washington Quarter: $4.95
1943P Jefferson Nickel: $1.32
1959 Canadian Quarter: $3.93
I also have a lead on some Silver dollars. What is a decent price to pay per coin?