When the Russians switched over from chits to Rubles, Citizens had 3 days to convert their chits into Rubles and were limited in how much ($500 worth) they could convert per day. After 3 days, many, many people were left holding onto rather expensive "toilet paper".

Many former Russian government officials have been and are still consultants on some very interesting subjects within this country. One area of which I speak has to do with Internal Security.
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QMC, USCG (Ret)
The best luck is what you make yourself!