No - That is Die Deterioration Doubling (DDD). From a worn die that enhances the grain flow of the metal. Look up "1955 Poor Man's Doubled Die" and you will see the exact effect on the last 5 in the date. 1953 Wheat cents also have that phenomenon on the 3.
"When they can't find anything wrong with you, they create it!"
Not a RPM.
Good advice above from @Steven59.
Kennedys are my quest...