Autograph Authentication Report
2024 Topps Heritage Mini Real One - Auto · #ROA-GB
Findings
Signature comparison
This card. The signature as cropped from the slab photo (front).
Below, the known examples Crown compared it with. Examples with stronger proof (signed in front of staff, or certified by an independent authenticator) carry the most weight.
Feature by feature
| Feature | This card | Known examples | Result |
|---|---|---|---|
| Overall form and proportions | Tall looped capital G dominating the left, compressed middle, tall 'tt' with long crossbar; wide, moderately tall format. | R1, R5, R6 and R7 show the same skeleton: dominant G, compressed body and a tall 'tt' finish. R2 and R4 match with minor proportional differences. | Match |
| Slant and baseline | Upright to slight right slant; baseline rises gently left to right into the 'tt'. | R1, R5 and R7 show the same upright-to-slight-right slant and gently rising baseline. R3 and R8 are more horizontal, attributable to surface and space. | Natural variation |
| Letter construction | G formed by a high upstroke, a looping return and a lower loop descending below the baseline. 'Brett' reduced to a y-like descender followed by humps and tall t-staffs. | Identical construction in R1, R5, R6 and R7. R8 shows a more formed B, consistent with a more legible variant on a ball. | Match |
| Connecting strokes | Continuous connection from the G loop into the descender, then humps into the 'tt' with no pen lift visible in the body. | R1, R2, R5 and R7 show the same continuous connections. R3 and R4 also show minimal lifts. | Match |
| Starting and ending strokes | Starts with a tapered upstroke at the top of the G. Ends with a long, flicked right-extending t-crossbar. | Long crossbar finish present in R1, R2, R3, R5 and R7. R1 and R7 show it extending well right, as on ours. | Match |
| Line quality and speed | Fluid, confident curves with tapered terminals; no visible tremor, hesitation or blunt stops at this resolution. | The references show similarly rapid, fluent execution. | Match |
| Pen pressure pattern | Mild density variation, heavier on downstrokes of the descender and t-staffs, lighter on upstrokes and the crossbar. | Comparable shading in R1, R5 and R7 (blue marker/Sharpie). R2 is black ink. | Natural variation |
| Spacing | Compressed middle humps with relatively even spacing; the 'tt' is set slightly apart and taller. | Same spacing rhythm in R1, R5 and R6. | Match |
| Flourishes and underlines | No underline or inscription; the crossbar acts as the terminal flourish. | No underline on most references. Inscriptions in R3 ('3000') and R4 ('HOF 99') are context-specific. | Match |
| Placement and size | Across the lower half of the image area on the player's body, sized to the space, typical of a pack-issued on-card certified auto. | R5, on the original 1975 Topps design that this Heritage card replicates, shows very similar placement and size. Placement varies on non-card items. | Match |
| Reproduction indicators | No halftone/dot pattern, uniform-density flat ink or facsimile-style placement apparent at this resolution. Ink appears to sit on the surface. | N/A | Not assessable |
Examiner notes
Ours is a 2024 Topps Heritage Mini Real One on-card autograph, likely signed around 2023–24 when Brett was about 70. The references appear to span the late 1980s/1990s (R2, R3 dated 1992, R8) through the HOF-era and later (R4 'HOF 99', R1, R5, R6, R7). Brett's abbreviated signature (large looped G, compressed 'eorge', descending y-like 'B', humped 'rett' with tall double-t and long crossbar) has been stable since at least the late 1980s. Differences in size and legibility across the set are consistent with surface, pen and speed rather than era.
How Crown authenticates autographs: the signature is compared with known examples gathered from Crown's own authenticated cards, independent authenticators and public listings, measured by software, examined by an AI forensic model, and signed off by Crown Grading staff. The decision above is Crown's.
