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: 6,703  Serials: 68,823  Visitors: 75,277,166  Members: 5,649  Photos: 44,335  Lat/Lng: 37,798  Masks: 68,823(1,026.75%)  Traits: 573  Nudges: 224,895  Backglasses: 1,865
  Most Serials: Twilight Zone(1,315)  Most Submissions: Dennis Braun(6,117)  Most Points: Dennis Braun(45,539)  Highest Quality: The Knight(17.00)  Most Nudges: pinballservice-nl(28,582)
SerialBot Score:
Assigned Game:  +1
Matches Mask:  +1
Trait Data:  0
Verified:  +1
Has Photo:  +1
Physically Viewed:  +1
Nudge Total:  +3
Total Score:

Submission Certificate
Game: Defender (video)
Serial Number: 507451
Submitted By: Jess Askey
Submit Date: 1/3/2015
Game Part: Other Parts
Country: United States
Comment: Don't know why it has two Serial Numbers, must have been an issue at Williams tho because both are in the range of Defender Video Games and this ROM board is only used on Defender (no other Williams vids).
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
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: 1/3/2015 4:32:28 PM
DateNudged ByNudgeComment
1/3/2015King of Pinball1 
1/3/2015 pinballservice-nl1 
1/3/2015Marco Albus1 
1/3/2015Al_Quantum1 
1/3/2015Jim Butler1 

Submitted Trait Data:
TraitValue
There was no trait data submitted for this game.
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