Pink Irish licence
I have insurance on a car here in Florida and I only have a Irish pink paper licence,
My flatmate is from the UK, and he bought the car when he got over here last year, and he has a UK licence. I then bought half a share in it and phoned up the insurance company and put myself on the insurance, they asked me to get an American licence within the next six months, but they never followed up on it.
And in fact that very car is up for sale now $1,200.00 , 1992 Ford Thunderbird. Perfect for a runabout... must be sold before 10th of July or going over a bridge
I know a few people who have got the American licence. VERY easy test, done in the carpark of the test center and a few questions done on a computer, i think it costs $20, but they make you wait for 5hrs in the Sun. Long day if your trying to study for ATPLs
You will find the Insurance around $100 -$200 cheaper per 6mths if you have an American licence.
Check the web, Florida state law or Progressive.com
Anyway hope this helps,