Would love to hear this explained...

How can a coin be here:
https://www.ebay.com/itm/203675329534?hash=item2f6bfee3fe:g:WYwAAOSwON1hepl9
and here:
https://www.liveauctioneers.com/item/117372739_1831-34-california-gold-a-bechtler-ms-61-pcgs-cac
also here:
https://www.liveauctioneers.com/item/117372739_1831-34-california-gold-a-bechtler-ms-61-pcgs-cac
and here (in a different slab!!)
https://www.liveauctioneers.com/item/115929254_carolina-gold-a-bechtler-one-dollar-au-58-ngc-cac
all at the same time
www.brunkauctions.com
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Comments
The last three links go to sold listings.
@MasonG true, but check out how recent the dates are
www.brunkauctions.com
and here's another
https://www.liveauctioneers.com/item/116552729_1831-34-california-gold-a-bechtler-ms-61-pcgs-cac
so 7 days between old NGC plastic into new PCGS plastic (with a sticker!)
I guess turnaround times aren't bad for everybody
www.brunkauctions.com
2 of those are the same listing.
The only thing that is odd is the reholder. But if they did a walk through, it's possible.