WikiMedia | Crain's Philadelphia
Photo Credit URL: 
https://commons.wikimedia.org/wiki/File:100_dollar_bill_old.jpg
Image: 
Photographer: 
Sar Maroof
Photographer URL: 
https://commons.wikimedia.org/wiki/User:Sarmaroof
Attribution Type: 
Creative Commons Attribution-Share Alike 4.0 International
Attribution Type URL: 
https://creativecommons.org/licenses/by-sa/4.0/deed.en