Definitions for "Almost Uncirculated"
A coin or paper money note that is very close to being uncirculated. Upon first glance it may appear uncirculated. When inspected closely it will have a slight amount of wear or friction. Same as "About Uncirculated". Sometimes abbreviated as "AU".
Coin that on first glance appears Uncirculated but upon closer inspection has slight friction or rub.AU-50 - AU-55 - AU-58
See About Uncirculated.