Autograph Collecting Glossary

From COA to TTM — every term you need to know as an autograph collector. Bookmark this page for quick reference.

Authentication

The process of verifying that an autograph is genuine. Performed by third-party companies like PSA, JSA, and Beckett who compare signatures to known exemplars.

Autopen

A machine that replicates a person's signature mechanically. Autopen signatures are identical each time and have minimal collector value.

BAS

Beckett Authentication Services — a third-party authentication company that grades and authenticates sports cards and autographs.

COA

Certificate of Authenticity — a document certifying that an autograph is genuine. Only COAs from recognized authenticators (PSA, JSA, Beckett) carry significant credibility.

Exemplar

A known authentic sample of a person's signature used for comparison during authentication. Authenticators maintain databases of exemplars.

Flat

A flat item such as a photo, poster, or lithograph that has been autographed. Common sizes include 8x10, 11x14, and 16x20.

Game-Used

Equipment that was actually used in a professional game or event. Game-used items with autographs command premium prices.

Graphing

The practice of obtaining autographs in person by waiting outside stadiums, arenas, hotels, or airports where athletes and celebrities are expected to appear.

Hologram Sticker

A tamper-proof sticker placed on authenticated items with a unique serial number. Used by PSA, JSA, Beckett, and Fanatics to link items to their databases.

Inscription

Additional text written by the signer beyond their signature, such as jersey numbers, stats, dates, or personal messages. Some inscriptions add value, while personalized ones ("To John") reduce it.

JSA

James Spence Authentication — a leading third-party autograph authentication company known for their expertise in signature analysis.

LOA

Letter of Authenticity — a detailed document from an authentication company providing a full opinion on an autograph's genuineness. More thorough than a sticker-only authentication.

Mail Day

When a collector receives new additions to their collection in the mail — often shared on social media and collecting communities.

One-of-One (1/1)

An item that is unique — only one exists. In trading cards, this refers to cards with a print run of exactly one.

Patch Auto

A trading card featuring both an autograph and a swatch of game-used material (usually from a jersey). Highly valued in the hobby.

PC

Personal Collection — items a collector keeps for themselves rather than for trading or selling.

Pre-print

A reproduction of a signature printed directly onto an item. Pre-prints are not hand-signed and have minimal collector value.

PSA

Professional Sports Authenticator — the largest and most recognized authentication company for sports cards and autographs. PSA-authenticated items typically command the highest premiums.

SASE

Self-Addressed Stamped Envelope — used in TTM (Through the Mail) collecting. You include a SASE with your autograph request so the signer can return the signed item.

Secretarial

A signature written by an assistant or secretary on behalf of a celebrity or athlete. Secretarial signatures are not authentic autographs and have no collector value.

Slab

A professional grading company's sealed case that encapsulates and protects a graded trading card or autographed item. Also called an "encapsulated" item.

Sweet Spot

The narrow panel between the seams of a baseball — the preferred and most valuable location for an autograph on a ball.

TTM

Through the Mail — the practice of mailing items to athletes or celebrities for autographs, including a SASE for return. A popular and affordable way to collect autographs.

Witnessed

An authentication method where a representative from PSA, JSA, or Beckett is physically present when the item is signed. Considered the strongest form of authentication.

Raw

An item that has not been professionally graded or authenticated. Raw items are sold "as-is" without third-party verification.

Auto

Short for "autograph." Used casually in the hobby to refer to any signed item, especially autographed trading cards.

Multi-Signed

An item signed by more than one person. Multi-signed baseballs, photos, and jerseys are common. Value is typically driven by the most prominent signer.

Sticker Auto

A trading card where the autograph is on a sticker affixed to the card, rather than signed directly on the card surface. Generally worth less than on-card autos.

On-Card Auto

A trading card where the player signed directly on the card itself during production. Considered more desirable and valuable than sticker autographs.

Photo Match

The process of comparing a game-used item to high-resolution photographs from games to verify it was actually worn or used in a specific game.

Cut Signature

An autograph that has been cut from a larger document such as a letter, check, or contract. Often used for deceased signers whose standalone autographs are rare.

Redemption

A trading card that can be exchanged with the manufacturer for an autographed card. Common when a player's signed cards weren't ready at the time of production.

Numbered

A card or item with a limited print run, stamped with its production number (e.g., 25/99). Lower print runs are more valuable.

Encapsulated

An item sealed in a tamper-proof case by a grading company. Cards, autographed items, and ticket stubs can all be encapsulated for protection and verification.

Provenance

The documented history of an item's ownership and origin. Strong provenance increases value and buyer confidence, especially for high-value pieces.

Facsimile

An exact reproduction of a signature, typically printed or stamped. Facsimiles are not hand-signed and have no collector value. Similar to pre-prints.

Clubhouse Signature

A signature applied by a team's clubhouse attendant rather than the athlete. Common in vintage baseball. These are not authentic player autographs.

Ghost-Signed

An item signed by someone other than the person it's attributed to, often by a coach, teammate, or assistant. A form of non-authentic autograph.

Rookie Card

A player's first officially licensed trading card. Rookie cards — especially autographed versions — are almost always the most valuable cards for any given player.

Wax

Sealed packs or boxes of trading cards. The term comes from the wax-coated paper wrappers used on vintage card packs. Opening wax is called "ripping."

Case Hit

A rare insert card found approximately once per sealed case (typically 12-20 boxes). Case hits are among the rarest pulls in a given product.

Grading

The professional assessment of a card or autograph's condition on a numerical scale. PSA uses 1-10, Beckett uses 1-10 with half-point increments.

Pop Report

PSA's Population Report — a public database showing how many copies of each card have been graded at each level. Low pop counts increase value.

Consignment

Giving your items to an auction house or dealer to sell on your behalf. The auction house takes a commission (typically 10-20%) from the final sale price.

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