Amulets of the Ksitigarbha Buddha.

Ksitigarbha Buddha (also written Kshitigarbha , Chinese: Dizang ,
Tibetan: Sa-Ee Nyingpo ),
is the Bodhisattva who took the vow not to attain Enlightenment
before hell is empty.
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He is most often represented with in his left hand
a wish-granting jewel and in the right a cane
which serves him to force the gate of hell to go and teach the Dharma there.

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Ksitigarbha Buddha amulets are rare and precious.
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This Buddha is traditionally the protector
pregnant women, children and travelers,
It protects against natural disasters and prolongs life.
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Due to the nature of his actions, he is also a Buddha closely linked to anyone involved in humanitarian work and going to dangerous places to help others (firefighters, rescuers, doctors, etc.).