I had one Cardassian Gold Box in my bank that's been there since the first day they came out. I was minding my own business wandering through Zeta Andromedae when I spotted an Azura hovering. Needing to drop off some DOff mission rewards, I use it. I remember the Box is there. Since the Azura gives me Exchange access, I quickly look up the current price of Master Keys. 982k. So, I decide to go for it.
And then this happened: