1970 is a rare coin as it was only available in U. Mint sets and is 40% silver.
This 71 coin set includes all SEVEN silver Kennedy half dollar coins. The 1964D and 1964P coins are both 90% silver.
The five coins from 1965, 1966, 1967, 1968, and 1969 are 40% silver. Most of the coins are in lightly circulated condition. A few will be AU or BU. I have several sets made up.This item is in the category "Coins & Paper Money\Coins: US\Half Dollars\Kennedy (1964-Now)". The seller is "sjba61263" and is located in this country: US. This item can be shipped to United States.