Out of interest, what causes this 'bold' effect seen on the 5 of this 1 dollar bill's serial? Is it a misprint? : r/Bankstraphunting

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$1,000 One Dollar BANK STRAP HUNT w/ My Dad! Error Notes, Star Notes, and More Found!

Bill Strap Hunting - Cool Serial Numbers and Star Notes

2017A $100 Misaligned Bill And Security Error? - Coin Community Forum

is there a special reason for serial numbers to be bold, or is it just a matter of a little too much ink? I've seen serials with one digit bolded, but not

Currency errors: Treasures in your wallet - Mighty Bargain Hunter

Misprint? : r/Bankstraphunting

RARE 2017A ERROR $5.00 BILL MIS PRINT

2017 $1 One Dollar Bill Collectors Note. Bleed thru from back to front. The bleed thru is on both sides of face and on face and also on the one dollar

2017 $1 One Dollar Bill Misprint / Bleed Thru To ALL FRONT Note Ink Error

Misprint? : r/Bankstraphunting

My first run of sequential serial numbers. 👍 : r/Bankstraphunting

Bank Strap Hunting Rare Serial Numbers on Dollars & Bank Strap Hunting Star Notes - Bank Strap Finds