Update
Updating database... Please wait.
Monday 30 April 2018 at 09:03
Many parts will never get produced again, and this is likely one of them. Scavenging for it is all you can do.
https://www.ebay.com/itm/Williams-Coin-Door/173294348452
It’s really banged up on the front, but it has three coin trips on the back. Shipping is $27, which is murder.
Source: http://pinside.com/pinball/forum/topic/williams-coin-trip-wire#post-4370286