Blog d'autographes de souvenirs Powers Sports

George Brett autograph signing recap from Phoenix spring training—paint pen smudge fixes, collector tips to prevent thumbprints, and a funny Rollie Fingers inscription moment

Autograph signing tips from behind the scenes—how to label items for accuracy, when inscriptions are worth it, how to fix bad ink, and why Barry Sanders is the GOAT signer.

Sports card autograph authentication made simple—when witness stickers help, when they hurt value, and how to choose the right option for your cards

Autograph signing tips from the field—why signature quality matters, better Post-it placement, shipping direct from signings, and wild behind-the-scenes stories

A once-in-a-lifetime Bob Cousy autograph signing at his home, featuring vintage Celtics items, inscription tips, travel stories, and collector insights.

Behind the scenes at the Kevin Garnett signing in Southern California—travel lessons, pen/color tips for Chrome cards, and how we fixed a tricky autograph to get a clean final result

A behind-the-scenes recap of a packed Detroit autograph show, highlighting big-name signers, inscription wins and misses, autograph quality tips, and why legends like Barry Sanders and Calvin Johnson set the gold standard for collectors

Meeting Julian Edelman was more than just an autograph signing. From instantly recognizing his own game-used cleats to breaking down plays from trading cards by memory, Edelman created an experience collectors rarely get. This post explores why athlete interaction matters and how moments like these define great autograph collecting experiences.

Why do some autographs mean more than others? A behind-the-scenes look at a Washington, DC signing weekend and why athlete personality and autograph quality should play a major role when building a meaningful sports memorabilia collection.

A behind-the-scenes look at a recent Larry Bird autograph signing, why his signatures remain one of the most consistent and valuable in the hobby, and why collectors should take advantage of these signings while they last

Why athletes sell their most iconic memorabilia, from Olympic medals to championship rings, and what those sales mean for collectors and sports history.

Before Madden was a yearly release, it was a promise. John Madden refused to attach his name to a football game unless it respected the sport at its core. That insistence on realism helped create a franchise that grew beyond gaming and into culture. Over time, Madden covers became time capsules, and none is more iconic than Michael Vick on the cover of Madden NFL 2004 — a moment where athlete, era, and gameplay perfectly aligned. Today, signed Madden memorabilia represents more than nostalgia. It represents football history crossing into collectible form.