penny 硬币,quarter 硬币

一美分是penny还是cent?
1 penny 1997 great britain grobritannien *425a km935a . 360.
英国钱币(新便士) new penny
1/2 new penny 1971 guernsey coin, elizabeth ii, bronze, km:20 au
2 penny 1980 falkland inseln elizabeth ii 2nd portrait ef