Please help me sort these few chekis (Versailles/Jupiter)

Anyone can help me sorting these 4 chekis, please?
I know they feature Yuki (+Hizaki and Teru) but if anyone know anything about when or where they were taken (or even whatever they are from Jupiter or Versailles events), it would be very useful to me.

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Is there a date on the back some cheki I think
some have that info.

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Thanks for your answer! There are some very-very faint numbers, but they don’t look like dates for what I can see. Do you have any example of what you are speaking about so i can make 100% sure, please?