Dealer 21 [Automatic Blackjack] [4-Player model] © 1964 Nevada Electronics, Incorporated.
Also released as Dealer 21 [Automatic Blackjack] [2-Player model].
A total of 130 2-player and 4-player units were produced.
A unreleased prototype was known as Dealer 21 [Automatic Blackjack] [6-Player model]