Money makes the world go round, but what exactly counts as "money" has varied wildly throughout human history. We're used to paper bills and digital payments, but our ancestors got creative with what they used to buy, sell, and trade. From enormous stone wheels to tea bricks, history is full of currencies that would make today's economists do a double-take.
Imagine a world where your wealth is measured not in numbers on a screen but in the size of a limestone disc or the number of cowrie shells in your pouch. These unconventional currencies were deeply tied to the cultures and societies that used them. They tell stories of ingenuity, survival, and the human need to assign value to the things we hold dear.
Let’s dive into the fascinating world of history’s most unusual currencies. After all, what we consider “money” is just a reflection of what we collectively agree to value.
Rai Stones
On the tiny island of Yap in Micronesia, they took the phrase "heavy is the head that wears the crown" to heart. For centuries, the Yapese used massive limestone discs called Rai stones as currency. These weren't pocket change—the largest stones could weigh up to four tons and measure twelve feet across.
The stones were quarried on the island of Palau, over 250 miles away, and transported by canoe and raft. The journey was so dangerous that many men died in the process, which only added to the stones' value. What makes this currency truly fascinating is that the stones were often too heavy to move. Instead, ownership simply changed hands while the stone stayed put. Everyone in the village knew who owned which stone, creating one of history's first examples of a distributed ledger system—centuries before cryptocurrency.
Even more remarkably, some stones that sank to the ocean floor during transport were still considered valuable and continued to be traded. The Yapese understood that currency's power comes from collective agreement, not physical possession.
Cowrie Shells
Long before the dollar dominated international trade, tiny cowrie shells served as a universal medium of exchange across vast regions of Africa, Asia, and the Indian Ocean. These glossy, porcelain-like shells from the Maldives were perfect money. They were durable, portable, difficult to counterfeit, and naturally limited in supply.
Cowrie shells were so widely accepted that they remained legal currency in some parts of Africa until the 1960s. The shells were incredibly democratic—unlike gold or silver, which required mining and metalworking skills, anyone could collect and use cowries. They came in convenient denominations, too, with different shell sizes representing different values.
The global cowrie trade was massive. European traders shipped literally tons of shells from the Maldives to West Africa to purchase enslaved people, creating a tragic connection between this innocent-looking currency and the Atlantic slave trade. In some African cultures, cowrie shells retain spiritual significance to this day, symbolizing fertility, wealth, and protection.
Salt
Salt might seem like a mundane seasoning, but for most of human history, it was literally worth its weight in gold. The phrase "salary" comes from the Latin word for salt, reflecting how Roman soldiers were sometimes paid in this precious commodity.
In ancient times, salt was essential for preserving food. It was the only way to store meat and vegetables before refrigeration. This made it incredibly valuable, especially in regions far from salt deposits or seacoasts. Ethiopian merchants created standardized salt bars called "amoleh" that served as currency throughout East Africa. These bars were so uniform that they could be broken into smaller pieces for exact change.
Salt wasn’t just valuable in Africa and Europe. In Tibet, salt played a central economic role. Salt cakes were sometimes pressed with images of the Grand Khan and used as currency, serving as a means of exchange and also as a symbol of political power and prestige.
The salt trade routes crisscrossed the globe, creating wealth and power. The famous salt mines of Wieliczka in Poland were so valuable that they funded entire kingdoms. In China, the government controlled salt production so tightly that salt smuggling became punishable by death. When Gandhi led his famous Salt March in 1930, he was challenging not just British colonial rule, but centuries of governments using salt as both currency and a control mechanism.
Tea Bricks
Beginning as early as the 9th century, compressed tea bricks became a widely used currency across Tibet, Mongolia, and parts of China. These weren't just symbolic tokens—they were actual bricks of tea, pressed into compact shapes for easier transport and trade. One of the true beauties of tea money was its dual purpose. If times got tough, you could literally brew up your savings.
Different grades of tea determined the value, and many bricks were marked with official stamps to deter counterfeiting. Tibetan traders would haul strings of tea bricks across the Himalayas, exchanging them for everything from horses to household goods. Some bricks were even prepared with yak butter and salt in Tibet, making them richer in calories and perfectly suited for local tastes.
Tea bricks proved particularly useful for nomadic cultures. Unlike metal coins, which could freeze in extreme conditions or become too hot to handle, tea bricks were stable and reliable. They were also naturally antiseptic and had medicinal uses. Even into the 20th century, some remote regions of Tibet continued to use tea bricks as a form of money.
Cigarettes
While not technically an official currency, cigarettes became the de facto money in prisoner-of-war camps, prisons, and other closed economies throughout the 20th century. British economist R.A. Radford famously documented this phenomenon in German POW camps during World War II, creating one of the first detailed studies of how informal economies develop.
Cigarettes made excellent prison currency because they were divisible (you could break them apart), durable enough to last, and had intrinsic value to users. Non-smokers would still accept cigarettes as payment because they could easily trade them to smokers. The cigarette economy became so sophisticated that exchange rates developed between different brands—Marlboros were worth more than generic brands.
This currency system created its own economic dynamics. During Red Cross deliveries, cigarette inflation would occur as supply increased. Professional traders emerged who would arbitrage between different blocks or camps. Some prisoners even became "cigarette bankers," holding deposits and making loans at interest.
Playing Cards
In 1685, New France (now Quebec) faced a currency crisis. The colonial government needed to pay its soldiers, but the supply ship from France was delayed. The resourceful Intendant Jacques de Meulles came up with an ingenious solution. He took playing cards, wrote denominations on them, and signed them as official currency.
What started as an emergency measure worked so well that card money became a regular part of New France's economy for over 70 years. The cards were convenient, lightweight, and harder to counterfeit than expected—everyone knew what playing cards should look like. Different denominations used different combinations of whole cards and cut pieces.
The system worked because the colonial government promised to redeem the cards for silver when the ships arrived from France. However, like many government promises about currency, this didn't always happen as planned. When France eventually abandoned its North American colonies, many colonists were left holding worthless playing cards instead of silver coins.
Feather Money
On the Pacific island of Santa Cruz, red feather coils called "tevau" served as currency for important transactions like bride prices and ceremonial exchanges. These weren't just random feathers—they came from specific birds and were carefully prepared according to traditional methods passed down through generations.
Creating feather money was an art form. The feathers had to be harvested at the right time, cleaned, dyed, and woven onto fiber backing with incredible precision. A single coil could take months to complete. The rarity of the right type of feathers, combined with the skill required to make the coils, made them extremely valuable.
Feather money wasn't used for everyday purchases like food or tools. Instead, it served as "ceremonial currency" for the most important transactions in society. The coils were often passed down through families as heirlooms, accumulating not just monetary value but spiritual and social significance.
Chocolate Money
The Aztecs and Maya considered cacao beans so valuable that they used them as currency throughout Mesoamerica. Unlike modern chocolate bars, these beans were traded in their natural, bitter form. The Aztecs believed chocolate was a gift from the god Quetzalcoatl, making it literally divine currency.
Cacao beans had natural advantages as money. They were portable, divisible, and difficult to counterfeit (though some enterprising traders did try to make fake beans from clay). The currency was so well-established that detailed exchange rates existed—a turkey might cost 200 beans, while a tomato cost just one.
When Spanish conquistadors arrived, they initially dismissed cacao beans as worthless. But they soon realized these beans were accepted everywhere and began using them in trade themselves. Chocolate currency persisted in some parts of Mexico until the 19th century, long after Spanish silver coins became available.
The Spanish eventually brought chocolate to Europe, where it became a luxury drink for the aristocracy. Ironically, what started as practical currency in the Americas became a symbol of European wealth and refinement.