It would have no significant value as there are still lots of them in ordinary Irish homes, so they are far from being a rare item.
The last British Florin minted for general circulation was minted in 1967.
Aruban florin was created in 1986.
Florin Pătraşcu was born on 1986-04-12.
Florin Vlaicu was born on 1986-07-26.
The last British Florin was minted in 1970.
The first British Florin was introduced in 1849.
There was no 1861 British Florin (Two Shillings) minted.
The last British general circulation Florin was minted in 1967.
The last New Zealand Florin was minted in 1965.
A Florin would be the equivalent of a 10p, not a 20p. What you would see on it is 2s, not 20. The s stands for shilling, which would have been 5p. It would not be worth very much as there are still a lot of them about, so they are not a rare coin. If you have one, just keep it as a souvenir.
Austria ceased issuing Florin coins in 1867.
Such a coin does not exist. The first British Florin was introduced into circulation in 1849.