The bottled water brought in from the larger cities was one of the most sought-after commodities in the village, and I soon noticed villagers pricing items in not only sheep, but bottles of drinking water as well.
Then there was the standard wartime medium of exchange: cigarettes. The villagers smoked cigarettes every evening with chai tea. They were bought in the cities and brought back by the truck load. As a result they were not as valuable as sheep or bottled water; however they served as small change for the villagers.
These three moneys all circulated in the villages free of any government mandate or oversight. The exchange rate also fluctuated free of mandate. Sheep were the most stable commodity as they were held and bred in the villages.
Bottled water and cigarettes were transported in from the cities. This transport was subject to logistical difficulties, and therefore their value fluctuated. Farmers and fisherman also drank much more water in the summer months, which had a great effect on its value.
(Read more from mises.org)