Newbie (civilian chick) - help?

[jvrjenivs]

although Gauls and Britons would wear more or less the same clothing in whichever role they might be found, I think.

Do you mean there was less 'fashion' in clothing, jewellery , etc among the Britons and Gauls as there was among the Romans? I can't think of anything (other than sources like Tacitus who like to give a particular 'image' to back up this statement.
La Tene, Hallstat, etc burials certainly show the opposite!