Practical guides for buying, selling, and authenticating autographs. Written for collectors, not as marketing for our app.
The three major autograph authenticators side by side: who's strongest in what category, how much each charges, how fast they turn around, and how their stamp affects resale price.
Read more →
The exact red flags professional authenticators look for, in the order they look at them. Use this before you buy, before you sell, and before you trust a COA.
Read more →
Autograph value depends on five things: who signed it, what was signed, condition, authentication, and rarity. Here's the actual pricing logic, with realistic ranges for common signers and formats.
Read more →
An autopen is a machine that copies a real signature with mechanical precision. They're widely used and almost always undisclosed. Here's how to tell autopen from a genuine signature in under two minutes.
Read more →
Michael Jordan signatures are among the most-forged in collectibles. Here's exactly how to tell real from fake: era-specific signature evolution, common fake patterns, and what authentic Upper Deck and PSA-certified pieces look like.
Read more →
Through-the-mail autograph collecting still works in 2026, for the right signers, with the right approach. Here's how the TTM process actually works, which signers respond, and how to know what you're getting back is real.
Read more →