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: 78,273  Visitors: 110,486,057  Members: 6,193  Photos: 53,452  Lat/Lng: 44,066  Masks: 78,273(1,165.82%)  Traits: 590  Nudges: 270,796  Backglasses: 1,865
  Most Serials: Twilight Zone(1,510)  Most Submissions: Dennis Braun(6,314)  Most Points: Dennis Braun(47,035)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(31,078)
SerialBot Score:
Assigned Game:  +1
Matches Mask:  +1
Trait Data:  0
Verified:  +1
Has Photo:  +1
Physically Viewed:  0
Nudge Total:  +3
Total Score:

Submission Certificate
Game: Centaur II
Serial Number: 1421
Submitted By: Greg Lilly
Submit Date: 3/23/2026
Game Part: Complete Game
Country: United States
Comment: I see that this serial number was previously submitted by Dennis Braun on 5/6/2017 that says it was taken at Allen Town Pinfest. Interesting. Now we know what happened to the Centaur II. It was reconfigured to be a Centaur by someone who attached a Supersonic Head to the body cabinet. Didn't do a great job on the cabinet resto... so I'm rebuilding the entire cabinet from scratch but wanted to document the Centaur II and Supersonic Serials prior to finishing.
SerialBot Says: Serial number matches format of a Production Game
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
5/6/2017Dennis BraunUnited StatesComplete Game Complete

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: 3/24/2026 12:50:46 PM
DateNudged ByNudgeComment
3/23/2026Pinwizard1 
3/23/2026CasaSchiller1 
3/23/2026Charles P1 
3/23/2026GermanysNo11 
3/24/2026Tom Bagaglia1 
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