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Glad you joined.
Welcome to BYC! Those eggs sound viable to me. I wouldn't do anything, but let the hen decide. If she breaks an egg, it's probably not good. Obviously if one smells it's bad, and a bad egg will break on it own. I would leave her in charge, but I would also follow @TwoCrows advice above.
Best wishes and have lots of fun! 
We're so happy you've decided to join us 