New collector needs help

[twinsrule]

I just got started on a bill collecting book, and have been looking through the posts here. So far i know you should keep star notes, radars, errors, and older bills. Anything else or any other advice?

 

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[DrDetector]

I would keep a lookout for low serial numbers. You can usually get a premium for a bill w/ 4 or more leading zeroes, even if it is from a common serial number block.

 

[timbobwey]

yeah, low serials, and always look for errors on bills. Like the serial number being printed out of place, and there are other errors too. They're hard to find on bills though.