A group of mostly unopened playing card decks for Chicago & Northwestern including a deck for CNW-4 "400" in Gray circa 1939 in original sealed package. Decks of CNW-5 "400" to Right in both the Green and Yellow styles circa 1940, both in original cellophane packaging that show cracks and discoloration. The boxes also show moderate discoloration and wear. These two decks are given a V4, Difficult to Locate, rating in Bollhagen's book. A single deck of CNW-6 "400" Seven Lines Green style circa 1947 in cardboard sleeve. The deck is sealed and the cardboard sleeve retains some cellophane packaging. This deck is also given a V4 rating. Group also includes a double deck of CNW-8 Logoed Background in both the Green and Yellow Railway design circa 1948. These two decks have been opened and show mild to moderate discoloration and use. See photos for best description.