Best Auction Site For Selling Notes

Depends on what you are selling. I would say ebay all the way. That said if you have true trophy notes that have been certified and with high values I would consider the established firms you have mentioned above. Keep in mind that the established firms will find a big audience for you, they have a following, but that said their fees are punishing on both ends and any note does find its top limit in the public arena. I would only go with them to eliminate the possibility of theft on ebay. I have never had a problem on ebay buying or selling but I have had to deal with the "high value claims" department as a buyer and I can tell you it can be stressful. As a seller I have had a number of chargebacks over the years and as long as you have proof of shipment there does not seem to be a problem. These instances have been for items under $100. I do not know how ebay or PayPal would handle a similar situation if the value were say, $5000? I don't know how willing they would be to cover this kind of claim. Nor would I know how they would look at a situation where a customer would open your carefully packaged registered insured shipment and claim the box was empty. I have gone so far as to carefully video the packaging of high end items...just in case.