Small coin hanging above 1 of the bedroom doors it was hung there by a nail and string .what is it?

Small coin above bedroom door with string through it the coin was small silver hung there above the outside of the bedroom door any ideas of what it c

Small coin above bedroom door with string through it the coin was small silver hung there above the outside of the bedroom door any ideas of what it could be ? The home had lots of crosses and spiritual scriptures on the walls of the home .I just bought this home was doing a walk through when I noticed these things .

or:Small coin above bedroom door with string through it the coin was small silver hung there above the outside of the bedroom door any ideas of what it could be ? The home had lots of crosses and spiritual scriptures on the walls of the home .I just bought this home was doing a walk through when I noticed these things .

or:Its very possible its a st christophor metal thats reminds me of this thing brings good luck and wards off bad super natural spirits.

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