They may be Barred Plymouth Rocks the chicks i got last year had that yellowish white dot on their head like yours..here is a couple pics of mine from last year.hope this helps
Hello i don't know if you found what you were looking for but i believe the www.mypetchicken.com has hatching eggs and also day old chicks ..i got my barred rock hens from them last year.
service was fast and friendly..hope that helps