
Constantine 1×10: Quid Pro Quo
Adder stone.
(If anyone happens to know what the engraving marks mean on the stone, please let me know)
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From Wikipedia:
“An adder stone is a type of stone, usually glassy, with a naturally occurring hole through it. Such stones have been discovered by archaeologists in both Britain and Egypt. Commonly, they are found in Northern Germany at the coasts of the North and Baltic Seas.
In Britain they are also called hag stones, witch stones, serpent’s eggs, snake’s eggs, or Glain Neidr in Wales, milpreve in Cornwall, adderstanes in the south of Scotland and Gloine nan Druidh ("Druids’ glass” in Scottish Gaelic) in the north. In Egypt they are called aggry or aggri.“