International - You have a different set, scroll down
The collector’s bills become available on Monday, December 19th at 12:01am PT/3:01am ET through Saturday, December 24th at 11:59pm PT/Sunday, December 25th 2:59am ET, and when you get a search win, you may get a special Collector’s Bill valued at either: 5SB, 7SB, 9SB, 15SB, 24SB.
When you win a limited edition collector bill you’ll receive the value of the bill and the bill will be added to your “Collector’s Bill” ledger.
Collect all 4 bills and you’ll instantly earn a 20 SB bonus!
For tips on searching read HERE