a cup of thistle tea

This cup is full of a transparent liquid with a brown hue. It smells slightly sweet, though with a faint, earthy undertone.

It is a cup of thistle tea.
It weighs a couple of ounces.

You identify a cup of thistle tea.
It is a potion.
It weighs two ounces, and it is worth about ten celeb.
Its keywords are potion, thistle, tea, thistle-tea, thistle-potion, and cup.