Great idea! So, I just tried the following cards:
No love from any of them.
- U.S. Passport ID Card
- NEXUS ID Card
- WA State Enhanced DL
- Random Sheraton-branded Card
- Random Westin-branded Card
- ORCA (Seattle Mass Transit)
- Oyster (London Mass Transit)
- Octopus (HKG Mass Transit)
- Suica (Japan Mass Transit)
- EasyCard (Taiwan Mass Transit)
- EPIC Ski Pass Card
- GoodToGo FLEX Pass (Toll Pass... Hey... No harm in trying.)
- Bunch of random work keycards...
Why do you have Nexus instead of Global Entry?