We do no guarantee mint marks of each coin as we have only verified each of the Kennedy half dollars in this lot are from 1964 and are in uncirculated, problem free condition. The item "Roll of 20 Uncirculated 1964 Kennedy Half Dollars 90% Silver Free Shipping" is in sale since Sunday, June 20, 2021. This item is in the category "Coins & Paper Money\Coins\ US\Half Dollars\Kennedy (1964-Now)". The seller is "jewelstreet" and is located in Santa Monica, California. This item can be shipped to United States.