Seignorage

Seignorage
The difference between the cost of producing a coin and the actual face value of that coin. It is the profit the mint makes on a coin, so to speak.
Series
Set of years coin was minted with a specific design and denomination.

Seignorage - The difference between the metal or intrinsic value of the planchet plus the cost of striking deducted from the face value of the coin. In the past this was a relatively small proportion of the value, today it is increasingly larger.

Seignorage
The difference between the cost to produce money and the money's face value. This is essentially an immediate profit for the issuing entity.

seignorage
The profit generated from the printing or coining of currency. This word also has many other related meanings, most often associated with taxes created through inflation.

In the mid-1850s, the Mint paid a price for bullion slightly above the current market price, a practice that effectively divided the seignorage (the profit the Mint derives from producing coinage) between the government and the bullion owner.

Seigniorage, also spelled seignorage or seigneurage, is the net revenue derived from the issuing of currency.

What was worse, by 1851, it was costing the Mint $1.06 to strike a Dollar's worth of 1-Cent coins. A negative seignorage was at hand (seignorage is the profit the Mint makes between the cost of manufacturing a coin and its face value)! ...

Seigniorage, also spelled seignorage, is the net revenue derived from the issuing of currency For exchange rates, see here.

As the young Republic grew, the Mint had a hard time keeping pace. For most of its early years, it was little more than a part-time business, taking in bullion and paying out struck coinage for a seignorage.

However, the profit the Mint made on the production of these coins (or seignorage as it is known) was minimal, and rising silver prices through the remainder of the 1850s made the Mint's profits less and less.