How much caffeine in chocolate covered coffee beans?

Can you answer Carrot in Mouth Woody In Back’s question about Coffee?:

I have gourmet dark-chocolate covered coffee beans.

How much caffeine per serving (1/4 of a cup)? The beans are roasted Arabica beans.

I don’t worry about the dark chocolate as much as the coffee beans - how much caffeine per 1/4 whole Arabica beans?

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