How can you tell if a gift might mean something more?

So I have this female friend I'm kind of into. We don't see eachother very often, so I've not considered dating her (yet). I'm definitely into her.

Out of the blue recently she sent me a gift by mail. It's nothing big, but pretty nice all the same.

How can you tell if it might mean something more?

How can you tell if a gift might mean something more?
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