Game Used Authority

12/02/2023

Fresh to the hobby Mark Grace game used bat just posted to KolleXor.com that is the finest sample Grace game used bat you will see in the hobby photomatched to September 2nd and 4th in the historic 1998 Cubs season and coated in heavy tar, ball and seam marks, and prominent donut ring!

Check out our page at KolleXor and check out bat photos at:

https://kollexor.com/Tom_Warman/9c4badec-ddf9-4602-98d8-f244b5893b1d

Mark Grace 1998 Game Used Cubs Bat (Rawlings) photomatched to 9/2/1998 and 9/4/1998. This bat is one of the finest Grace bats in the hobby with the matches, heavy tar, ball and seam marks, and donut ring. Graded a 9.5 (handle crack) and authenticated by PSA.

11/22/2023

🏒🌟 Take a look at this Sam Gagner hockey sweater, a true symbol of athletic prowess on ice! Super collector has curated an impressive array of memorabilia, and this piece is a standout in their collection.

🔗 Dive into 's world at www.kollexor.com/profile/Ree and get inspired by a trove of treasures from the rink. Every jersey tells a story of games played and victories won.

🖼️ Have a collection of your own? Kollexor is your arena to display it to the world, and what's best, it's completely free to showcase. Your memorabilia deserves the spotlight, and our community is eager to see it.

📲 Lace up, log in, and let the world see your collection. Sign up at Kollexor today - where every collector gets their shot at the big leagues.

11/22/2023

Record-Breaking Rookie Jersey Sale: Victor Wembanyama's NBA Debut Memorabilia
🏀 History was made at Sotheby's as the game-worn jersey of basketball sensation Victor Wembanyama, from his NBA debut, was sold at an astounding $762,000! This figure shattered all expectations, soaring past the initial estimates of $80,000 to $120,000.

🌟 This sale sets a new benchmark, becoming the most expensive rookie jersey ever sold at auction. Wembanyama's entry into the NBA has been nothing short of sensational, and this sale is a testament to his skyrocketing value in the world of sports memorabilia.

💭 What are your thoughts on this? Is this a sign of too much hype too soon, or is it a clear indicator of where the market stands for potentially once-in-a-generation talent?

📈 Is this purchase a glimpse into the future value of sports collectibles, or could it be an anomaly driven by the excitement of a new NBA star?

🔍 Share your views on whether this price tag is justified and where you see the market heading for sports memorabilia!

11/22/2023

11/16/2023

Game Used Authority is now KolleXor! Check out our new site. Current GUA users collections have all moved into our highly upgraded platform. Like and follow KolleXor for updates

11/16/2023

Game Used Authority is now KolleXor! Check out our new site. Current GUA users collections have all moved into our highly upgraded platform. Like and follow KolleXor for updates

11/16/2023

Game Used Authority is now KolleXor! Check out our new site. Current GUA users collections have all moved into our highly upgraded platform. Like and follow KolleXor for updates.

06/02/2023

AFL Fans, it's celebration time! 🏈🎉

The 1000th guernsey has just been posted on GameUsedAuthority.com - a milestone worth a round of applause! * And it’s a Ben Cousins posted by our good friend Erin Warwick at the Please check it out!!

Why wait to be part of such exciting events? Join us now. It's completely FREE!

Embrace your love for sports memorabilia, connect with collectors, and trade your treasures with us.

Sign up now on GameUsedAuthority.com. Let's make history together. 💫

05/16/2023

*** PSA Bat Grading and Authentication Event - Near Chicago, IL ***

Game Used Authority is hosting John Taube for a game used bat authentication event near Chicago from June 6-8, 2023 — June 6 is already fully booked and there is very limited availability on June 8.

This event allows you to bring your bats to the event and they will be authenticated and graded on-site with you leaving with the bats (letters to follow a few weeks after the event but you will be given the grade at the event).

This is the gold standard in the hobby for authenticating and grading game used bats, and adds far more value to your bat then the cost.

We had a very successful event last November so are booking another one. We are also planning another event for November 2023.

By attending the event you get discounted pricing and you do not have to ship your bats. They are graded and authenticated with a PSA hologram applied while you are there.

The value added from a PSA graded letter makes this an excellent opportunity for game used collectors in the Chicago area or that can travel to Chicago!

We have attached a photo to show a sample of the PSA letter you will receive from a bat done at a previous John Taube event that we hosted.

Message me if interested we sold out last time and this will sell out.