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This auction will add some more data to my "price of casascius coins in btc is unaffected by usd/btc rate" theory... one way or another.
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Casascius coins (as goods) are really in front when it comes to separation from fiat.
BTC goes up and down all year around - but it does not significantly affect the price of Casascius coins in terms of BTC.
I love it <3
Honestly Casascius coins were selling for the highest markup when BTC was between 700.00 - ATH. It almost seems like the higher the prices go for BTC the better the prices on these coins.