10 King Charles III Coronation 1oz silver coins with errors (strike-through damage)

From a tube of 25 coins, 10 in a row were struck through an object attached to the reverse die. You can see the object gradually changing shape and drifting around as each coin was struck by it.
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NGC later confirmed that these would get an error designation if graded.

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Most of my Britannia coins have slight scratches and after seeing your coins with a strike I feel relieved that I wasn't scammed but it's just the process in the mintage.