Purchasing power fell because of inflation.
Because they put less gold in them
Roman coins decreased in value because they had less of the precious metals in their composition.Roman coins decreased in value because they had less of the precious metals in their composition.Roman coins decreased in value because they had less of the precious metals in their composition.Roman coins decreased in value because they had less of the precious metals in their composition.Roman coins decreased in value because they had less of the precious metals in their composition.Roman coins decreased in value because they had less of the precious metals in their composition.Roman coins decreased in value because they had less of the precious metals in their composition.Roman coins decreased in value because they had less of the precious metals in their composition.Roman coins decreased in value because they had less of the precious metals in their composition.
Because the coins were made of debased (less pure) silver. The Roman Denarius was the basis of the currency system. It started out at nearly pure, but by the 200s was only 50% pure (making the coin worth half of what it was worth at the start of the republic) by the 300s the denarius was silver plated copper and nearly worthless.
because they didn't have enough money
They aren't worthless, but the vast majority of Roman coins are struck in bronze which isn't worth as much as gold or silver, many were struck for circulation and bronze deteriorates with time meaning that many of the coins are not in good condition after being dug up 2,000 some odd years later. All of these affects value.
Because they put less gold in them
Because they put less gold in them
Because they put less gold in them
Because they put less gold in them
Because they put less gold in them
Because they put less gold in them
Because they put less gold in them
Purchasing power fell because of inflation.
Because they put less gold in them
Because they put less gold in them
from inflation when the emperors needed to bring down the value of money when they needed more money
Because they put less gold in them