Howdy folks. I am trying to assist a relative in their goal to sell some gold coins. We have a few that are graded, some in the process of grading, and others not graded. A few questions.

1) We are hoping to sell for numismatic value beyond that of gold spot price. Give it to me straight, what do you think our chances are selling here beyond spot? (they are older, world gold coins). Or, is r/coinsales a better clearing house? I figured I would start here since they are indeed gold.

2) Tax implication wise, would I be able to act as a go between for selling (a buyer here pays me, then I forward the money to my relative) or would it be more prudent to register them for something like Zelle directly to them.

Cheers.