The smallest denomination used to be the farthing, which was worth 1/4 of one penny.
The value of the copper in a 2 Pence coin would be significantly less then 10% of the face value of the coin at the time the coin was minted. Today, it might be a little more, about 0.2 Pence.
There was never a British coin minted called the Mark, it was merely a value equivalent to 160 pence, for accounting purposes. The expression was used in the 14th and 15th centuries. The Noble coin (6 Shillings and 8 Pence) was equal to half a Mark.
what is the value of 1958 British Columbia $1.00 coin worth.
Depends entirely on what coin it is.
British farthings were made of bronze, not silver. Check that coin again. Modified coins have little or no collector value.
The 100 ptas coin is a Spanish coin. The British Halfcrown coin has a face value of Two Shillings and Sixpence. To get a valuation on either coin, you would need to provide the date and condition of the coin.
There was no 1960 British 5 coin set issued.
There was no 1974 British 25 Pence coin minted.
Such a coin does not exist. The British One Pound coin was first issued in 1983.
Such a coin does not exist. The British 50 Pence coin was first issued in 1969.
There was no 1811 British Sovereign or One Pound coin minted.
The British 20 Pence coin was first released in 1982.