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Repunching of dates went out in the 1800s, you will not find a 20th century coin that had a date manually punched onto the die.
1901/0-S half eagle. The last manually punched overdate and the only one from the 20th century. But manually punched dates lasted until 1907 to 1909. The Saint-Gaudens gold coins were the first ones to have the date as part of the galvano and master hub. Then the Pratt gold coins in 1908, and finally everything went over to hubs in 1909.