Back view featuring No. 37 and the signature of Mainoo on a red football shirt.
Front view of a red Manchester United football shirt with TeamViewer logo and adidas branding.
Back view featuring No. 37 and Mainoo's signature on a red Manchester United football shirt.
Front view of red Manchester United football shirt featuring crest and 'Team Viewer' sponsor.
Signature detail of Kobbie Mainoo on No. 37 of Manchester United football shirt.
Close-up of Manchester United crest with yellow and red detailing.
Detail showing the white embroidered brand logo on a red football shirt.
Close-up of Manchester United crest and CX Technology sponsor on red football shirt.
Close-up of red football shirt label showing adidas brand and size Large.

Kobbie Mainoo 37 Manchester United 2023-2024 Signed Football Shirt | Fanshop

Regular price€ 449
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Product details

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This Fanshop Authentic #37 Manchester United shirt celebrates Kobbie Mainoo, a young midfielder prized for his composure, passing range, and intelligent movement. The short-sleeve size L cut is faithful to the Fanshop Authentic specification and carries the clear, confident signature that links the piece to the player. Fans and collectors will appreciate the balance of club identity and the personal touch of Mainoo's autograph, making this shirt suitable for framed display, rotation in a collection, or an honored place among match-era memorabilia.

Beckett-certified (COA + grade 8) authentication anchors this item, with certification number BU08849 recorded by Beckett. The shirt was signed on 16 December 2024 in the United Kingdom, and provenance is supported by photo proof, a Certificate of Authenticity, and a Letter of Authentication. Beckett's grading provides collectors with an objective assessment of the autograph quality, and the included documentation responds to the standards many enthusiasts demand when adding modern signatures to a curated collection.

Aligned with the 2023–2024 season context, this signed shirt represents the era in which Mainoo further established his profile within the club setup. It carries the visual identity associated with that season, and it is best appreciated as part of a narrative that links promising young talent to the club's recent history. The piece is not tied to a specific match or minute, instead it embodies the season presence and the momentum a rising academy graduate brings to the first-team environment.

For collectors seeking a fan-first addition, this shirt answers both aesthetic and authentication needs. The signature, the Beckett certification, and the supporting documentation together create a confident, display-ready item that sits comfortably in a modern collection. Whether framed under museum glass or stored with other season pieces, this Fanshop Authentic #37 shirt offers a clear connection to Kobbie Mainoo and a certified line of provenance for the discerning admirer of Manchester United history.

Player: Kobbie Mainoo - Team: Manchester United F.C. - Country: England - Competition: Premier League - Season: 2023-2024 - Shirt: Fanshop Authentic - COA: Beckett - Proof: Photo Proof; Certificate of Authenticity (COA); Letter of Authentication (LOA)

Size: L - Color: Red - Fabric: Polyester - Sleeve Length: Short - Neckline: Crew - Condition: Mint (M)

Date: 16 December 2024 – Location: United Kingdom – Kit: Home – Number: 37

View the signing verification here: 24KMA20013337

Certification Number: BU08849 – Item: Jersey – Signer: Mainoo, Kobbie – No. of Signatures: 1 – Autograph Grade: 8

View the certification here: BU08849

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Kobbie Mainoo, Manchester United 2023-2024, signed fanshop shirt | Beckett-linked, back-signed

★★★★★ ★★★★★ 4.3 / 5.0

Manchester United fanshop shirt, #37 from 2023-2024, signed by Kobbie Mainoo with signing proof and Beckett certification link.

Beckett authentication is referenced via certification link BU08849 and the signing is recorded on 16 December 2024 in United Kingdom. This is the official Manchester United fanshop shirt, bearing the #37 and personally signed by Kobbie Mainoo. Photos include clear back shots that show the signature on the number and front shots that display the club crest and sponsor. The shirt is described as mint with no flaws and comes with photo proof of the signing, a strong positive for display and verification. The listing also notes this is the first Beckett item for the player and highlights his rise during Premier League 2023-2024. There is a Certificate of Authenticity supplied and an online COA check is available.

A well presented, mint fanshop shirt, signed and photo documented, but confirm the COA status before purchase.