Because they are not produced regularly, they are a "rare" treat to find in a standard bank teller strap of $1 bills.
Help you identify the (like Red Seals).
They are replacement notes, printed separately from the regular printing process, to replace a damaged note or sheet of notes, typically identified by a star ( ) in the serial number. Note: rare_84
While many star notes are actually quite common, they become highly collectible and valuable if they come from a low print run (under 3.2 million, or sometimes under 640,000 for extreme rarity), feature fancy serial numbers (like radars, ladders, or solids), or are part of older series currency. Because they are not produced regularly, they are
Explain the difference between a and a repeater serial number. While many star notes are actually quite common,
Tell you how to check if a star note is from a (using a Star Note Lookup tool).