Premier Sports Memorabilia Since 2003
Where Serious Collectors Do Business
Over $4 million spent acquiring the world's most sought-after sports cards and memorabilia. Private signings, expert brokerage, and collection acquisitions for collectors and investors nationwide.
What We Do
Premium Services for Serious Collectors
From acquiring rare collections to organizing private athlete signings, OTIA Sports delivers expert service across every facet of the sports memorabilia industry.
Collection Buying
We buy individual cards and full collections at competitive prices. Specializing in vintage pre-1975 cards where we pay more than any other buyer in the country.
Memorabilia Brokerage
Connecting buyers and sellers of high-value sports memorabilia through private, confidential transactions with expert market guidance.
Private Signings
Exclusive athlete and celebrity signing events. We coordinate private sessions with top names in sports and entertainment.
Corporate Events
Custom memorabilia experiences for businesses and organizations. Unique event concepts that create lasting impressions.
SE Certification
Professional authentication and certification services for sports memorabilia. Protect your investment with verified authenticity.
Collection Appraisals
Expert valuation of sports card and memorabilia collections. Know the true market value of your assets before buying or selling.
About OTIA Sports
The Trusted Name in High-Value Collectibles
OTIA Sports (One Team International Agency) is a premier sports cards and memorabilia company with over 20 years of experience in buying, selling, and brokering high-value collectibles. Based in New Hudson, Michigan, we work directly with collectors, investors, athletes, celebrities, CEOs, and entrepreneurs.
We have spent over $4 million purchasing personal collections and have facilitated some of the largest deals in the sports memorabilia industry. Our approach is relationship-driven and elite, focused on trust, expertise, and confidentiality.
We offer a 10% finder's fee for referrals on collection purchases. Know someone looking to sell? Connect us and earn.
Learn More About Us
Ready to Get Started?
Have a Collection to Sell? Let's Talk.
Whether you're looking to sell a single card or an entire collection, our team provides fair, competitive offers backed by decades of market expertise.