and as always, buy the seller. ask for references. you know. alternatively, do some research here and learn what the "fake" cues are...things like the canon pin, the movement's decoration, the regulator, etc.
Try a well knowen jewellers in Hull England. Ask to speak to Mark. Tell him Bryan Long set you. Google search and you shpuld find him. Shoot me an e-mail and I will give you full details. I have purchased a 233 ,249 and a number of Rolex from him.