People save them, but every coin struck by that die will after that event show that crack and even expand until the die is retired. The die looks pretty fresh, so there maybe 700K of these out there, for just this one die, unless the die was retired. It may have broken off and formed a
Cud and was retired. But I quit saving these years ago. To a new collector they are gold, but after you search many hundreds of thousands of coins, they you start to realize what you though was gold is really sand. (common) But That is what a seasoned collector thinks of die cracks. The only things I would save a
Die Cuds, split die examples, rim to hemispherical rim cracks (Completely across the whole coin through the center)