'jam'? Sorry, this old guy doesn't know if you mean go up or go down, or meteoric rise or fall with that term.
Agreed - I have quite a few 1 oz. .999 silver art bars, purchased at a premium before spot price went above $20 - although LCS won't pay a premium for those, they can be sold above melt on eBay and elsewhere - I imagine mine are worth a couple of dollars more than the original price paid. A great resource for silver art bars is Silver Art Collector (https://silverartcollector.com/)
I definitely should have worded that better. I believe it was my old age that factored in using that word! Happy New Year to all!
any type of silver is good but if I had to single a coin out it would be the walking liberty half dollar. that is my current favorite.