THE COLLECTION

MLB-Oakland Athletics

Authentic Athletics Autographed Memorabilia & Transition Collectibles Finding genuine Athletics autographs shouldn’t be a guessing game. At Autographed With Proof, we specialize in high-end memorabilia sourced directly from the players during this historic transition. Whether you are looking for a signed Nick Kurtz jersey from the Sacramento era or a vintage autographed Rickey Henderson Oakland baseball, our collection is curated for fans who demand absolute certainty. Why Collectors Trust Our A's Signatures The sports memorabilia market is currently seeing a surge in demand for "Oakland" legacy items and new "Sacramento" collectibles. We separate ourselves by providing exact proof for our inventory. Every item in our Athletics collection is backed by industry-leading authentication from Beckett (BAS), JSA, or PSA/DNA. 2026 Sacramento Home: We attend games at Sutter Health Park and private signings in West Sacramento to ensure every pen stroke is legitimate. Las Vegas Regular Season Debut: We are on-site for the team's historic June 2026 series at Las Vegas Ballpark to capture exclusive "Vegas-debut" signatures. Photo & Video Proof: Most of our items feature "proof" photos of the player actually signing the specific item you are purchasing. Beckett Authentication: We prioritize Beckett authentication, the industry gold standard, but we also offer items authenticated by PSA/DNA and JSA. Build Your Athletics Investment Portfolio From "Bash Brothers" legends like Jose Canseco to the 2026 stars like Shea Langeliers and Jacob Wilson, our inventory spans the entire history of this storied franchise. We understand that a signed gold Sacramento jersey or an Oakland Coliseum autographed seat isn’t just a decoration—it’s a piece of baseball history. By combining rare items with airtight provenance, we help you build a collection that holds its value for years to come.