chop of tea
Webster's Dictionary (GCIDE)
Chop \Chop\, n. [Chin. & Hind. ch[=a]p stamp, brand.] [1913 Webster]
1.Quality; brand; as, silk of the first chop. [1913 Webster]
2.A permit or clearance. [1913 Webster]
Chop dollar, a silver dollar stamped to attest its purity.
chop of tea, a number of boxes of the same make and quality of leaf.
Chowchow chop. See under Chowchow.
Grand chop, a ship's port clearance. --S. W. Williams. [1913 Webster]