Shop with Confidence
A Preferred Marketplace of the Certified Trading Card Association (CTCA)
Recognized for leadership, fair governance, and trusted trading.
2026 Leaf Metal Ring Kings Boxing Hobby Box | Columbia Sports Cards
2026 Leaf Metal Ring Kings Boxing Hobby Box
2026 Leaf Metal Ring Kings Boxing debuts with an incredible inaugural edition celebrating the biggest names in combat sports. Produced on Leaf's stunning Metal technology, this premium release showcases legendary boxers, MMA champions, professional wrestling icons, and kickboxing legends through hard-signed autographs, eye-catching inserts, and rare cut signatures.
Each Hobby Box delivers 3 autograph cards, giving collectors multiple opportunities to pull legendary fighters, multi-signature cards, premium die-cut inserts, and some of the hobby's most exciting combat sports collectibles.
Product Highlights
- 3 Autograph Cards per Hobby Box
- Inaugural Leaf Metal Ring Kings release
- Premium Metal technology throughout the product
- Features boxing, MMA, wrestling, and kickboxing legends
- Loaded with hard-signed autographs and rare chase cards
Look For
- Shadow Boxing Autographs
- Title Belt Autographs
- Knockout Kings Die-Cut Cards
- Fighting Machines Inserts
- Illustrations
- Inscription Autographs
- Uppercuts Cut Signatures
- Multi-Signature Cards
Featured Signers
- Mike Tyson
- Floyd Mayweather Jr.
- Manny Pacquiao
- Oscar De La Hoya
- Sugar Ray Leonard
- Julio César Chávez
- Tyson Fury
- Ryan Garcia
- Jon Jones
- Hulk Hogan
- Bret Hart
- Steve Austin
- Jean-Claude Van Damme
- Michel Qissi
- Plus many more legendary combat sports stars.
Ultimate Chase Cards
- Uppercuts Cut Signatures featuring Muhammad Ali and Andre the Giant
- On-Card Kickboxer Autographs
- Jean-Claude Van Damme Autographs
- Michel Qissi Autographs
- Dual Jean-Claude Van Damme & Michel Qissi Autographs
- Title Belt Die-Cut Autographs
- Multi-Signature Rivalry Cards
Configuration
