You'll occasionally hear these old fashioned words for numbers of pence in an informal colloquial setting, but it's rare and confined to older people.
Also, some idioms which refer to pre-decimal money are still sometimes heard, for example "twopenny-hal'penny" (pronounced "tuppenny hayp-ny") is a colloquial adjective meaning "cheap, shoddy, or valueless. "A few bob" is an old-fashioned way of saying "a modest amount of money" (e.g. "I was just trying to earn a few bob"). "Bent as a nine bob note" means "very corrupt, totally fraudulent, not at all legitimate" etc. These are all a bit old fashioned but I still hear them among some of my fellow London speakers, especially the older ones.
There are some more colourful terms still. "Threepenny bits" (pronounced "throopenny bits") is rhyming slang for a part of a woman's body.