World's LARGEST 2013 Duplicated Serial Number Star Notes database!

Friday, January 17, 2025

Confirmed Match! Serial B05531794*

Duplicate Serial Number 05531794 

Two U.S. $1 star notes with matching serial number "B* 05531794" displayed side by side, showcasing a rare duplicate find in currency collecting.
Two U.S. $1 star notes with identical serial numbers B* 05531794

6th match of the year
6th match of the year


The sixth match of 2025 marks the 149th overall match achieved by Project 2013B. Since the previous confirmed match found yesterday, another 91 new serial numbers have been added to the project. The project now boasts a robust membership of 16,721 participants, with 21 new members joining since the last confirmed match.

One notable submission involves a 'Fort Worth' printed 2013B star note, registered in 2023 by member vN16H, who has submitted a total of 41 serial numbers. The owner of this Fort Worth banknote submitted their notes on December 9, 2023. The other significant submission comes from member GO8ID, who registered a 'Washington DC' printed 2013B star note in 2025, their only submission to date, which was entered on January 13, 2025. Project 2013B has successfully identified 92.0% of all known Duplicate Serial Number Pairs. The running list of confirmed pairs, which will be updated shortly, is available at: Confirmed Pairs.

Matched Pairs For Sale


Current Listings at 13Bay


Luxury Corner

Imagine the amazing things you could buy on Amazon if you sold your matched pair for a few thousand dollars! Here are some of the craziest and most luxurious items you could treat yourself to.

Rolex Oyster Perpetual Submariner Watch

Rolex Oyster Perpetual Submariner Watch
Give me this over an Apple watch any day.

Owning a Rolex Oyster Perpetual Submariner is not just about having a watch; it's about embracing a symbol of precision, endurance, and timeless style. This iconic timepiece, renowned for its resilience and sophistication, perfectly balances functionality with elegance. With its unmatched craftsmanship and distinctive design, the Submariner elevates any outfit, making it a versatile choice for both casual and formal occasions. Whether you're diving into the ocean's depths or attending a gala, this watch serves as a testament to your taste for quality and luxury. Investing in a Rolex is an affirmation of a lifestyle that values excellence and innovation, reminding you that true luxury lies in the details.

Rolex has a rich history that dates back to 1905, when Hans Wilsdorf and his brother-in-law Alfred Davis founded Wilsdorf & Davis in London. They initially focused on importing Swiss movements and placing them in high-quality cases, but Wilsdorf's vision was much grander. By 1908, he trademarked the name "Rolex," and in 1926, they introduced the Oyster, the world's first waterproof wristwatch. This groundbreaking innovation catapulted Rolex to prominence. The brand continued to push boundaries with the introduction of the Perpetual movement in 1931, paving the way for automatic winding. Over the decades, Rolex cemented its reputation as a leader in horological excellence and innovation, becoming synonymous with luxury, durability, and the spirit of adventure. Today, Rolex remains not only a watch but a coveted heritage piece, symbolizing achievement and timeless elegance across generations.

Available at Amazon:  https://amzn.to/4hkHr4y

Disclaimer: Some of the links to the products you can by on this websites are affiliate links where I'll earn a small commission if you make a purchase at no additional cost to you. You pay the same price whether you buy it through the link here, or buy it 'on your own' when on the Amazon site.

Are YOU Missing In Action?

Project 2013B has a list of members who didn’t respond to our contact attempts. If your serial number or Owner ID appears on the following webpage, please contact us—you are part-owner of a matched pair! 
List of members (with serial numbers) we need to hear back from.

Check your spam folder for an email titled “PROJECT 2013B: Potential matching pair!” If you don’t find it, contact me through the website by clicking the Help icon in the navigation menu.