Work-in-Progress re-design. Sorry for eventual bugs.
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Gaming History GH

Mills Sierra

56 Years old Slot Machine (mechanical) TJM

Mills Sierra © 1970 TJM.

3-reel electromechanical.

TRIVIA

Less than 500 were made, this slot was a colossal failure.

SOURCES
🔗
Loose Change Blue Book for Slot Machines [4th Edition]