Yep, that's a single comb. And you're probably right, akcountrygrrl, that the last one is a game mix. There is something about her build that doesn't quite fit for pure OEGB.
Top to bottom:
Welsummer hen
Not sure -- is it a bantam size?
Golden Campine cockerel
Golden Campine pullet
Looks gamey and bantam... I'd say Old English Game bantam.