Check out this duck egg............

[muscovy94]

Quote:
Here you go!

https://www.backyardchickens.com/forum/uploads/18_marlys_egg001.jpg

The producer, Marlys
http://farm1.static.flickr.com/125/351928141_8949254dfe.jpg

AWW!!! They match!

 

[CK Chickadilly]

I have never seen such a dark egg before or one that is marbled. Pretty cool!