I have Tali-10 stocks from 1991, 2001 and 2011 . . . then stop buying . . . quality worsens with each passing decade, sadly . . . and the Tali18 lost alot of m=smoke, 18 is best with batch 1 and 2 then things go downhill : less oily, less smoke, less tar-ry, less concentrated, . . .