Some EK2s for evaluation

[Stepdale]

Hello,
I picked up some EK2s recently and just wanted to get them checked out here by those more knowledgeable than I am. I went through the data base but I'm hopeless when it comes to picking out the details so appreciate any help I can get here. I apologize for the quality of the photos but hopefully they'll suffice.
Thank you,
Dale

[Stepdale]

EK #1 has a mark on the large ring that I can't decipher. It may just be a dent and not even a maker mark. On the small ring is a mark that looks like a diamond shape with a dot in the center of it.