AI Appraisal Estimate

AI-generated estimates · not official valuations

From the user

What was submitted

Photo and notes provided by the user — not generated by AI

Submitted item photo
Submitted photo · May 27, 2026

User's notes

Dillion Gabriel

AI analysis below

AI appraisal

AI analysis & estimate

AI-Generated · Verify before acting

Everything below is generated by AI for informational purposes only. AI can make mistakes — the AI may misidentify items or misattribute them (artist, maker, brand, designer, origin, era). This is not an official valuation and should not be used for insurance, sale, tax, estate, legal, or lending purposes — or any decision requiring a certified appraisal. It is not an authoritative claim about any person, brand, or rights holder — do not share or rely on it as a factual statement about a third party. Always consult qualified professionals before making financial decisions.

Note

This analysis also relies on unverified notes provided by the user, which may be incomplete or inaccurate and could affect the result.

Read the full disclaimer

AI Identification

·Not independently authenticated·Verify before acting

Dillon Gabriel Signed University of Oklahoma Riddell Speed Replica Football Helmet

Sports Memorabilia

AI Estimated Value

·Not an official valuation·Verify before acting

$250 - $400

As of May 27, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This item is a full-sized Riddell Speed-style replica football helmet, signed by college quarterback Dillon Gabriel. The helmet features a high-gloss white polycarbonate shell, characteristic of the Oklahoma Sooners' alternate or 'Unity' uniform designs. It is equipped with a dark-maroon painted carbon steel facemask and a white Four-Point chin strap secured by stainless steel buckles. A prominent hand-signed autograph is located on the right side of the helmet, executed in black permanent marker. The signature is bold, featuring the player's stylized 'D' and 'G' initials characteristic of Gabriel's signing habits. The helmet includes aerodynamic ventilation ports at the crown and sides, with internal padding visible through the ear holes. Condition appears excellent, with the white finish maintaining a high reflective sheen and no visible scuffs, yellowing, or structural cracks in the plastic. The autograph shows no signs of smudging, fading, or bleeding into the paint. This specific style of 'Speed' helmet is a contemporary piece, popular in the sports memorabilia market between 2022 and 2024. The item rests on its original green and white retail graphic box, which likely includes a Certificate of Authenticity (COA) card common with licensed NIL (Name, Image, Likeness) collectibles.

AI Appraisal Report

·AI can make mistakes·Verify before acting
I have virtually examined this full-size Riddell Speed replica helmet signed by Dillon Gabriel. The item presents in excellent condition. The polycarbonate shell exhibits a high-gloss finish without visible abrasions or yellowing, and the maroon facemask complements the white "Unity" style shell perfectly. The signature, executed in black marker on the right side, is bold, legible, and consistent with known examples of Gabriel’s autograph, showing no signs of fading or smudging. Market analysis for active NCAA quarterbacks, specifically in the NIL era, shows significant volatility. While Gabriel is a high-profile player with immense collegiate success, current retail pricing for similar signed replica helmets generally falls between $300 and $450 directly from sports marketing distributors. Secondary market resale value typically settles slightly lower. Comparables for other top-tier quarterbacks suggest a steady demand, particularly among Oklahoma collectors. The value is strictly tied to the helmet being a replica rather than an authentic on-field model; authentic SpeedFlex helmets would command significantly higher premiums. Crucially, while the signature aligns visually with authentic examples, remote examination cannot verify ink composition or flow patterns that rule out autopen or forgery. A final valuation is contingent upon accompanying provenance—specifically a Certificate of Authenticity (COA) from a reputable authenticator (e.g., PSA/DNA, JSA, Beckett, or an official player hologram). Without physical inspection to verify the hologram or COA card, this appraisal assumes the autograph is genuine based on the visual evidence provided.

Get your items appraised

Instant estimates of your treasures with AI-powered appraisals

Browse More Appraisals