It looks a lot like my Ameraucana chicks. They are almost 3 weeks old and have the same wing feathering as yours. We have 2, one has heavier eyeliner and one has the speckles around the eye like yours and lighter eyeliner. That's how we tell our two apart lol. Also, the bit of red on the end of the beak, both of mine have that too. From what I've read, they are likely silver Ameraucana but they were sold to me as just Ameraucana. They aren't the smallest or the largest my my group of mixed chicks who are all within a day or two of each other age wise.
Here is a wikicommons picture that is very similar to mine, I can take pictures of mine later if you want to compare.
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