In predecimal currency, 13 Pence was One Shilling and 1 Penny.
A black hog is a historical term for an Irish shilling, of 13 pence value, as opposed to the white hog English shilling of 12 pence.
There were 12 Pence to the Shilling and 20 Shillings to the Pound.
12 pence
There were 12 pennies in a shilling. When decimal currency was introduced in 1971, one shilling became 5 new pence.
There have always been 12 Pence to the Shilling since the Shilling was first introduced.
2
ten pence or half shilling a day
one shilling and six pence
Formerly a shilling, now 5 pence.
12 pence =1 shilling 240 pence = 1 pound 20 shillings = 1 pound
Under pre-decimal currency in the UK, a shilling was worth twelve pence, and a sixpence worth six pence. The UK adopted decimal currency in 1971.
That would be 1/20 - 5 goes into 100, 20 times. Before 1971, the pound is divided into twenty shilling and then a shilling is further subdivided into twelve pence. So, five pence is one shilling before 1971. Now, the pound is much simpler with 100 pence since 1971.