I've got 15,019 Cubs cards from 122 different brands listed on a spreadsheet. A random number generator picked five cards, one each from the past several decades.
1900s - 1970s: 1970 Topps Super #40 Billy Williams The card is from 1970, but the picture looks to be from the mid-Sixties. I'm going to go out on a limb and say that this picture was taken the same day as...
1980s: 1980 TCMA All Time Cubs #4 Larry French Monsieur Larry spent seven seasons pitching for the Cubs. His record was 98-84 with an ERA of 3.54. Those are mediocre numbers, not All Time Cubs numbers.
1990s: 1990 Team Issued Marathon #18 Dwight Smith His average dropped 60 points and his RBIs were cut in half. Yes, Dwight Smith had a sophomore slump in 1990.
2000s: 2003 Flair Greats Ballpark Heroes #5 Ernie Banks Wrigley Field in the background and 1968 Ernie in the front...nice card!
2010s: 2014 Heritage #348 Kyuji Fujikawa How do you say flop in Japanese? In English you can also say Fujikawa. In Japanese, Google Translate says it is フロップ