12 Dollars Burger

Liberia has a long history of issuing novelty and themed bullion pieces aimed squarely at the collector market rather than circulation, and this $12 denomination — itself a fictional face value with no basis in Liberian monetary policy — fits squarely in that tradition. The country's monetary authority has, since the 1990s, licensed its issuing rights to foreign minting operations producing themed coins with no domestic distribution whatsoever.

At 0.031 g of fine gold, the metal content is vanishingly small — less than a single grain of rice by weight.