Nothing particularly to write home about, as I still have a ways to go on all - but I'm trying to motivate myself, LOL. I do tend to get the "big cards" out of each set first also as motivation, so that's true in large part here and helps out tremendously at least in terms of thinking of future expense.
1956 Topps: 70/342, 20% complete.
1963 Topps: 135/576, 23% complete.
1972 Topps: 367/787, 46% complete.