Is something wrong with my hen’s egg?

[quarterhorsemom]

New chicken owner here! I just found this egg in one of my nesting boxes and I’m not sure what to make of it! It’s probably from one of my Midnight Majesty Marans or ISA Browns (the only other breed I have is Prairie Bluebell Eggers which obviously lay blue eggs). The eggs I get are usually brown, or on the pinkish side with speckles, but never like this. Is there something wrong or does this just happen from time to time?
First two photos are the egg in question, and last photo is what my eggs usually look like!

Moo

 

[Yorkshire Coop]

If it’s not a regular thing I would say it’s just a blip in the egg laying machine. Often new layers or older hens can throw the odd egg out. Good article below on egg quality ~
https://www.backyardchickens.com/articles/common-egg-quality-problems.65923/

 

[Eggcessive]

It is probably just an extra layer of calcium on the eggs. Here is number 8 is a picture of one:
https://www.backyardchickens.com/articles/common-egg-quality-problems.65923/