Sorry most bantams I've seen are light brown egg layers. I used to have a Barnvelder bantam hen and she only lays light brown egg, more of a tint color but her quality was very good!
I've not had any Maran bantams but from what I saw, they are just light brown in color. A lot of work and...
The bantam breeder you are talking about l think they live in Florida or somewhere out in the East Coast. Once in a while there is a breeder on Eggbid or Ebay. The Welsummer Bantams were listed in Ebay last week and someone bid up to almost fifty dollars for SIX eggs. The eggs were light brown...