Posted 01/08/2021 8:28 pm
The master hub was wearing down during many years of use. In the 1960's they tried enhancing the profile area of the master hub, but in 1969 they replaced the master hub:
Note how the die had swollen through many years of creating new master dies? Also note the hear sizes. That is how much the die had swollen:
Looking at the 1968 cents, they realized it was time to recreate a new master hub. But your is a die chip, where part of that area on that die broke away. When a piece breaks off the die, then that are will start striking coins with a raised area (the void that was left on the die) and that is what you are seeing.
Note how the die had swollen through many years of creating new master dies? Also note the hear sizes. That is how much the die had swollen:
Looking at the 1968 cents, they realized it was time to recreate a new master hub. But your is a die chip, where part of that area on that die broke away. When a piece breaks off the die, then that are will start striking coins with a raised area (the void that was left on the die) and that is what you are seeing.
