Step 2: | Judge Condition to Identify Grade 1964 Dime Value is Conditional To spot the variety, look at the base of the torch, if the left side is without a mintmark, Philadelphia struck the dime. Philadelphia mint dimes are those without a mintmark on the reverse. Step 2: Grading covers judging condition. Higher collector value is recognized by grading condition and determining the coin is in Mint State condition. Silver in the alloy of the 1964 dime is the base premium value. This large mintage number results in large quantities available. Over 924 million dimes dated 1964 were produced by the Philadelphia mint.
