Jubilee orpington chicks?

[DragonGirls]

Maybe this will help

https://meyerhatchery.zendesk.com/hc/en-us/articles/360009871752-Day-Old-Chick-Identification
they don't look like Jubilee Orpingtons to me either

 

[Thechicksdigme]

They look just like our Speckled Sussex.