What does it mean when a guy sends a picture of something that reminded him of me?

Anonymous
I’ve been texting this guy for a while and a few weeks ago I mentioned a band that I like. Yesterday he randomly sent me a picture of a poster with the band. Was this a way of saying that he thought of me? Is this a sign that he likes me?
What does it mean when a guy sends a picture of something that reminded him of me?
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