The requirements of this grade are the same as for Washington fancy except for russeting and invisible watercore. Apples of this grade are free from excessive damage caused by russeting which means that apples meet the russeting requirements for Washington fancy as defined under the definitions of "damage by russeting," except the aggregate area of an apple which may be covered by smooth net-like russeting shall not exceed 25 percent; and the aggregate area of an apple which may be covered by smooth solid russeting shall not exceed 10 percent: Provided, That in the case of the Yellow Newtown, Granny Smith or similar varieties the aggregate area of an apple which may be covered with smooth solid russeting shall not exceed 20 percent; and the aggregate area of an apple which may be covered with excessively rough or barklike russeting or limb rubs shall not exceed the area of a circle three-fourths of an inch in diameter. There is no requirement in this grade pertaining to invisible watercore.