"Hi. I'm looking at a French gold 50 francs 1858-A NGC-62 but nicer than that. Should I pay $550 for it?
I go online for few minutes. Call him back.
"It's the most common date of the type, there are dozens of them on the web, you should consider it a piece of choice bullion."
I would charge him $5.00 for telling him that under this new scheme. Kind of like numismatic tech support.
This service will be available only through the subscription service that I am inaugurating immediately. Click this link to get the terms.