I bought a nice pair for $18 each last year. ($18 NZD = $10.50USD - our peso has lost a lot of value)
Don't want to sell them, but now at least you can see them (The pictures enlarge).
Rumour on these, is that the government printed several million of them in 1985 for release into circulation, but then decided such values were too high and would encourage capitalist and decadent bourgeois notions of wealth, so hence they weren't and many of them were hidden in caves until they were found some time after 2000. Most are in great shape, but will have some light rot/mould from being in a cave for 20 years!
I love coins. Especially silver, gold and anything really old.
Member of the Royal Numismatic Society of New Zealand and the Auckland Numismatic Society