AI Appraisal Estimate

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Submitted photo · June 4, 2026

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Theo Johnson

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AI appraisal

AI analysis & estimate

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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.

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

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AI Identification

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Theo Johnson Signed New York Giants Riddell Speed Mini Football Helmet - Flash Alternate Edition

Sports Memorabilia / Autographed Collectibles

AI Estimated Value

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$65 - $95

As of June 4, 2026

AI Item Analysis

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This is a Riddell Speed Mini Helmet, specifically the 'Flash' Alternate edition, featuring a metallic cranberry-red finish and a silver facemask. The helmet is signed on the left-side crown in white paint pen by New York Giants tight end Theo Johnson, who has included his jersey number '#84' in the inscription. The helmet displays the iconic white 'ny' Giants logo on the side. Physically, the item is approximately 5 inches tall and is constructed of high-gloss plastic with internal foam padding and a four-point chin strap, mimicking the design of full-size professional equipment. It remains housed in its original clear plastic 'clamshell' display packaging with the Riddell branding visible on the black base. Authentication elements are prominent, including a RealSign autograph hologram, a 'FLASH Alternate' series sticker, and a retail barcode labeling the item as a 'Theo Johnson Signed Giants Mini Helmet.' The condition appears to be 'new in box' (NIB), with the helmet surface showing a high-luster metallic sheen free of visible scuffs or fading, and the autograph is bold and clear with no smudging. This modern collectible represents a contemporary specialty finish often sought by sports memorabilia enthusiasts for its unique aesthetic compared to standard team colors.

AI Appraisal Report

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Based on my examination of this Theo Johnson New York Giants 'Flash' Alternate Mini Helmet, I find the piece to be in 'New in Box' condition. The white paint pen signature on the cranberry-red metallic finish is bold and displays high contrast, which is a desirable aesthetic for collectors. Theo Johnson, a 2024 fourth-round draft pick, represents an emerging talent, placing this item in the speculative growth category of sports memorabilia. The 'Flash' series helmets generally command a 15-20% premium over standard matte or gloss finishes due to their limited production runs and visual appeal. Market comparables for mid-round rookie tight end mini-helmets currently fluctuate between $60 and $110 depending on the authentication brand. While the RealSign hologram provides a baseline for credibility, a premium price point would typically require a certificate from a 'Big Three' authenticator (JSA, PSA/DNA, or Beckett). My visual inspection confirms the signature's flow is consistent with known Johnson examples, and the packaging has preserved the helmet's luster perfectly. However, definitive authentication is limited by digital format; a physical inspection is required to verify the 'live' nature of the paint pen ink and to ensure the hologram's serial number matches the database registry. For long-term investment security, I would recommend eventually seeking a third-party witness authentication to cement its provenance as Johnson's career progresses.

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