NOS (new old stock) pack of 50 baseball cards for Williams Slugfest pitch-n-bat machines.
These cards are unlaminated and have a matte finish so that the card dispensing machine's rollers can easily grab a card and dispense it.
The decks are brand new & still in their original wax paper wrapping. They are dated from the 1990 baseball season, the year before Slugfest's release in March of 1991.
These are the exact same cards that would have been dispensed from a coin-operated Slugfest pitch & bat machine in 1991.
Williams #20-9677.