u/Ok-Plane-2078

Long time lurker, finally buying. Sub is the one, no date if I can find it. What I've learned reading here is that the risk is parts, replaced inserts, service dials, aftermarket bracelets, and that most listings don't mention any of that. I can't open a case and check. So I want to buy from a shop in LA that does check and will tell me what's original. Does that place exist or am I describing something that doesn't ? Around 11k.