All 3 Uses

talisman
in
The House of the Seven Gables
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The maiden lady arose upon her feet, as pale as a ghost at cock-crow; for she was an enslaved spirit, and this the talisman to which she owed obedience.†
Chpt 3
The little circlet of the schoolboy's copper coin—dim and lustreless though it was, with the small services which it had been doing here and there about the world—had proved a talisman, fragrant with good, and deserving to be set in gold and worn next her heart.†
Chpt 3 *
But ambition is a talisman more powerful than witchcraft.†
Chpt 18

Definitions:

(1) (talisman)
a small object or piece of jewelry thought to have magical power -- especially to protect against evil
(2) (meaning too rare to warrant focus)