Blackbeard is in the bath and he finds 10 new moles on his back.

Being a health concious pirate, he books an appointment with his dermatologist to get them checked out. The dermatologist takes a look and says “Well, cap’n, i’ve done a thorough examination and i’m pretty sure they’re benign”

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Blackbeard replies “Arrrrrr, can ye check again? I’m sure there be ten!”