Episode 297 - 1956 Bally Big Show

Big Show is a magic squares game, notable for being the first game with triple deck scoring!
Corners score as 5-in-a-row in green, extra balls, magic squares in traditional position, and spotted numbers 2 or 18. Ballyhole lights first extra ball.
Backglass:

Cabinet:

Playfield:
http://bingo.cdyn.com/machines/bally/big_show/resources/pf-big_show-1.jpg