Fantasy Currency

So this is a fantasy currency I created on TinkerCAD. They're pretty basic and can work in just about any tabletop game. They're all an eighth of an inch in height and an inch in diameter, with the Tungsten and Gold coins being 1.25" at their longest side. They're designed in a way that it's easy to distingush between denominations and types visually and tactility. You can see and/or touch the coin and immediately know what metal and denomination it represents.

It was inspired by a Thingiverse user named Qjr, but it's not a remix. You can find Qjr's work here:

https://www.thingiverse.com/thing:1671105

The basic idea is that 100 copper equals 1 silver, 100 silver equals 1 gold, 100 gold equals 1 platinum, and 100 platinum equals 1 tungsten. The coin denominations come in 1, 5, 10, 25, and 50. Each coin is labeled by a type of metal, but you're free to rename them, resize them, and print them in whatever colors you'd like.

I originally created these as an alternative currency for the game Star Trek Adventures. They're Copper, Silver, Gold, Platinum, and Tungsten-Pressed Latinum coins. I even wrote a bit of lore for them if you're interested. Our game takes place after the Dominion war yet before the Picard series, when Rom is the Grand Nagas:

The Rom Standard and the Reform of Latinum Currency
Following his ascension to Grand Nagus, Rom of Ferenginar initiated the most sweeping economic reform in Ferengi history, an act that would reshape interstellar commerce across the Alpha and Beta Quadrants. For centuries, gold-pressed latinum had served as the dominant medium of exchange beyond the Federation. While trusted and universally valued due to latinum’s non-replicable nature, the traditional system of slips, strips, bars, and bricks had become increasingly impractical. The physical bulk of high value transactions, the difficulty of precise valuation, and the inefficiency of transport and storage posed growing obstacles to modern commerce.

In consultation with economists and off-world trade representatives, Rom proposed a universal latinum currency standard, now commonly referred to as the Rom Standard. Under this system, latinum is no longer pressed exclusively into gold slips and bars, but instead into high-precision coinage composed of five carrier metals: Copper-Pressed Latinum, Silver-Pressed Latinum, Gold-Pressed Latinum, Platinum-Pressed Latinum, and Tungsten-Pressed Latinum.

The size, mass, and carrier metal of a coin are standardized, but its value is determined solely by the quantity and purity of latinum sealed within. The carrier metal serves secondary purposes: Visual and tactile differentiation and rapid identification across species with varied sensory perception. This system dramatically reduced the physical burden of wealth while introducing fine-grained denominations, allowing transactions previously impossible without complex barter or fractional agreements.

Recognizing that currency reform without trust would fail, Rom dispatched Ferengi diplomats and trade experts to the United Federation of Planets, the Klingon Empire, the Romulan Free State, the Cardassian Union, and major independent trade powers. While no sovereign power was compelled to abandon its internal systems, most agreed to recognize the Rom Standard as a neutral interstellar trade currency, particularly in regions lacking reliable banking infrastructure or replicator-based economies.

To ensure absolute trust and prevent counterfeiting, Rom established the Ferengi Minting Agency (FMA) as the sole authorized body permitted to mint latinum currency under the Rom Standard. As a result, legacy slips, strips, bars, and bricks must be surrendered and reminted. Newly mined latinum must be processed and certified by the agency. Each coin bears: A unique molecular signature, Ferengi authentication marks, and anti-replication safeguards. Unauthorized minting, tampering, or dilution of latinum currency is classified as Grand Fraud, a crime prosecuted with unusual severity even by Ferengi standards.

In accordance with Ferengi custom, and justified as a “reasonable administrative expense,” the FMA retains a small percentage of latinum from every coin minted. Though individually negligible, the cumulative effect of this policy has rendered Rom the wealthiest Grand Nagus in Ferengi history, surpassing even legendary profiteers of the past.