When our Rhode Island Reds first started laying we got huge eggs like that a lot. They were all double yolkers. As far as the ripples, they did that too! And now we get several that they do not put the brown coating on quite right. Makes it hard to close the lid on the egg crates when they are so huge, LOL.
We get double yolks from our leghorns at least once a month. These aren't 'normal' double yolk eggs. I've never had so many. They are HUGE.. I sure wish I had taken a picture now.. because the last one was certainly comparable to yours. Yours is the biggest one I've ever seen! Beautiful and strange! My birds are molting and I've been getting teeny tiny yolk-less eggs too. Pretty neat.
Hi i had an egg laid by one of my lohmanns day before yesterday, weighs in at just over 5 ounces (uk) , hen did struggle a bit and came out of nest box and laid it in cool long grass.... rather her than me! i havent opened it yet and would post pic if i knew how too!