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Conwy Castle Grits
This stone is older than it looks. Send it to someone five minutes away.
Just found Conwy Castle Grits in Conwy Guildhall.
Ashgill, Ordovician sandstone, quarried at Conwy, Gwynned, North Wales. Nearest stop: Conwy.
This stone is older than it looks — worth five minutes if you're nearby.
https://www.londonpavementgeology.co.uk/location/3457-conwy-guildhall/
The closest other recorded buildings.
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