The Internet Pinball Serial Number Database or IPSND collects serial numbers of pinball machines and publishes a database of these on the Internet. Our goal is to make available a registration of all pinball machines in existence and allow tools for slicing, dicing and visualization of the data.
Games: 6,714  Serials: 77,752  Visitors: 109,111,820  Members: 6,172  Photos: 52,948  Lat/Lng: 43,740  Masks: 77,752(1,158.06%)  Traits: 588  Nudges: 268,237  Backglasses: 1,865
  Most Serials: Twilight Zone(1,497)  Most Submissions: Dennis Braun(6,313)  Most Points: Dennis Braun(46,891)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(31,079)
SerialBot Score:
Assigned Game:  +1
Matches Mask:  0
Trait Data:  0
Verified:  +1
Has Photo:  +1
Physically Viewed:  +1
Nudge Total:  -3
Total Score:

Submission Certificate
Game: Big-Ben
Serial Number: 34
Submitted By: Stephan Bates
Submit Date: 2/17/2026
Game Part: Complete Game
Country: United States
Comment:
SerialBot Says: The serial number format for this game is not yet known.
Members can nudge SerialBot scores!!
Submitted Photo:
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This Submission:   Others:
Submitted Location:
Other Submissions for this Serial Number:
SerialBotSubmittedSubmitted ByCountryGame PartConditionDetails
There are no other submissions of this serial number for this game.

Nudge History:
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Nudging allows IPSND members to adjust the SerialBot score for a submission with a photo attached by determining of the photo clearly shows the existence of the serial number submitted. However, nudging is only 'Open' until there is a clear determiniation of accuracy by members. If a serial number has more than 5 nudges and the total of those nudges is greater than 4 or less than -3, then the nudge will be closed automatically after the last nudge. If a submission is controversial and there are nudges in both the positive and negative direction, then the nudge will remain open until the balance of voting swings the point value beyond 3 (positive or negative).

Nudging Closed On: 2/18/2026 12:11:33 AM
DateNudged ByNudgeComment
2/17/2026hazmat7719-1This is more likely the inventory number for the operator.
2/18/2026Charles P-1I just don’t see how 34 and 23 are the same thing. I don’t know maybe I’m missing something.
2/18/2026Pinwizard-1 
2/18/2026GermanysNo1-1it's 23
2/18/2026CasaSchiller-1 
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