I stack silver as well. I've only been doing so for about 3 years and I've learned that selling silver coins is NOT as easy as they portray.
How do you plan on cashing out?
Hard to tell the numismatic value of coin, but collecting cool silver coins is REALLY fun for some reason. I don't know why but the coins themselves are pieces of artwork and sometimes worth the premium for your own enjoyment.
Im thinkin about buying the chinese zodiac serie, i think they will have value, but more than anything, i think they are awesome coins!
I also noticed that most dealers will give you far below spot for a coin that isn't popularly traded. There is a coin dealer in Manhattan that I go to check out coins on consignment once in a while. They, along with many dealers will not give you spot for your silver.In a fact there is a penalty for cash as opposed to a check that gets mailed to you later. (The check value will be agreed upon at the time you hand it over though).
I tried selling a Silver mint coin, and I basically had a limitation on how many I could sell because there is an abundance of silver coins right now.
But if I sold my Official US silver eagles or a Canadian Silver Maple they would take as many as I could give them. They pay out significantly more, and people recognize them as being far more legitimate.
For this reason, I stopped buying anything outside of US Silver Eagles, and I only buy other coins for personal enjoyment.