Most bands you send in the numbers and you will get a certificate back saying where the bird was banded, how old it was when banded and then the date you reported the kill and its location.
They have double banded ducks which are called generically reward bands. They will have a band on each leg. ONe of which will have a dollar amount on it. You send it in and they give you the usual certificate, and a check for $25, $50 or $100.
Have you ever woke up one day and said. Damn when does the season start.