First Quiz | "The coin"

This is the first quiz.

After drinking alcoholic drinks with her friends, a woman found a coin on the street and picked i up. Even without the moon, stars or street lights shining, she saw the coin from a further distance.

How is that possible?

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Iam gonna post the solution after some time. Untill then you can try to get the right solution. Who does it right gets an upvote.

*Iam sorry for my bad english Iam not from GB/US/...