Kusmi (which I have written about previously) is known for its higher level teas and although they package some of these in tea bags they are still a step above the usual stuff. The leaves are not pulverized but maintain their loose leaf form.
Russian Morning No 24 (or The du Matin No 24) is one of their black teas which I tried exactly in its tea-bag form. It steeps quickly into a very dark tea and looks intimidatingly strong. But actually wasn’t. What made the tea interesting was a hint of smokiness that I found in it.
Kusmi Russian Morning No 24 is a blend of black China and Ceylon teas.