The usual way of saying an amount in pounds, shillings and pence was with "and" between the shillings and pence amounts.
So "seven and six" meant "7 shillings and 6 pence". "Eight pounds eight and eight" would be your amount of 8 pounds 8 shillings and 8 pence.
If there were no pence, the word "shillings" was often used, i.e. "eight pounds ten shillings" not just "eight pounds ten".
It's worth mentioning that there has been considerable currency inflation since the 1970s. When pounds shillings and pence were still in use, many common items cost much less than one pound. For example when I reached the legal age to buy alcohol, the price of a pint of beer was less than 2 shillings in some local pubs - i.e. less than 10p in current decimal money, compared with a few pounds today. So prices less than a pound like "two and six" were commonly used in shops, etc.
The modern convention is usually just to say the numbers of pounds and pence, e.g. "seven eighty-eight" means "7 pounds 88 pence". If the number of pence is small, people often add "and" after the pounds and "pee" after the pence, e.g. "seven pounds and three pee" not just "seven three".
Note, an amount like "seven eighty-eight" is slightly ambiguous, because it could also mean "788 pounds", but it is usually obvious whether you are talking about a large or a small amount of money.
As David42 said in a comment, in the early 1970s when the UK currency changed to decimal, and both types of coins were in use together, people often said "old pence" or "new pence" to avoid confusion.