Continental is the very last Bally bingo pinball produced. In 1980, a Belgian firm ordered the entire run be shipped overseas. This firm ended up using the designs and creating their own line of bingos - which have been produced up to this day (over several company name changes)!
Note that at least some of these games were put out on location in the US - interesting!
Continental is a six card bingo - in fact, it's a feature-for-feature remake of 1978's Dixieland. The only difference is the solid state boardset that drives all of the computation.
Backglass:
http://bingo.cdyn.com/machines/bally/continental/resources/bg-continental-1.jpg
Cabinet:
http://bingo.cdyn.com/machines/bally/continental/resources/cab-continental-1.jpg
Playfield:
http://bingo.cdyn.com/machines/bally/continental/resources/pf-continental-1.jpg
