These are one of my favorite coins to stack I have been in to USA mints silver coin for stacking for some time and always make sure I have bought every years coins for the past ten years, the design while it has been used now for some time is great I have been waiting to see when the new design will be released how ever the design does not have the higher quality image and i don't mind that. The value of these coins is hard to argue with being able to pick these up for about 39 - 45 dollars Australian the premiums on one Oz coins in Australia has been slowing getting higher but the USA mints coins don't seem to have this issue.
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From @killerpengu