User blog comment:Master Sima Yi/Assassinews 03-12-'14 — New Assassin's Creed in Victorian London leaked/@comment-25141859-20141214034921/@comment-4829046-20141214061459

Uh... I could be wrong but I'm pretty sure that whether one was Courtesan or regular prostitute was determined by time period and culture. I don't see why you want a difference.