Hello and Welcome!!!
Well, first off, you may have a tough time making a sale on here right because you're new and these are some high dollar coins. We don't know you, but if you want to try to sell these coins, you're definitely going to need pictures. What I would recommend is, if you want to try to sell them here, posting pictures of the coins you have for sale and/or trade. Since you have several coins, I'd give each coin a separate posting here with photographs.....trying to put them all in one listing would get very cumbersome and confusing rather quickly. Form there, you could see what happens. But, what I would honestly recommend since you want to skip eBay fees is consigning them with Great Collections. Their fees are lower and they have a lot of success selling what is consigned to them. The only drawbacks would be that consigning to Great Collections takes time to get the coin listed, to get the coin sold and to get your payment shipped to you and you'd lose the ability to entertain trade offers. Ultimately, it's up to you but if they were mine and I was in your position, I'd probably go the Great Collections route.
Good luck with your sales!