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← Cert #000035266

Autograph Authentication Report

Biting Bart

2024 Slop Culture Kids Stickers - Artist Mark Pingitore Auto · #85a

Authenticated Crown Grading · reviewed Nov 3, 2026

Findings

Signer
Mark Pingitore
Autograph
Signed directly on the card, front side
Handwriting
Matches the known signatures it was compared with. (8 known signatures)
Printed or copied?
At available resolution the signature shows varied ink density, tapered stroke ends and natural pressure changes. It does not show the uniform density or halftone/dot pattern typical of printed facsimiles. No crop shows a printed screen in the stroke area. However, the slab photo cannot confirm the ink sits on top of the sticker's gloss layer, so this needs a physical check.
Decision
Authenticated by Crown Grading after staff review.

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.

R1
Crown (reviewed)
Crown cert 000069732
R2
Crown (reviewed)
Crown cert 000035410
R3
Crown (reviewed)
Crown cert 000035413
R4
Crown (reviewed)
Crown cert 000035416
R5
Crown (reviewed)
Crown cert 000035419
R6
Crown (reviewed)
Crown cert 000035425
R7
Crown (reviewed)
Crown cert 000035428
R8
Crown (reviewed)
Crown cert 000035431

Feature by feature

FeatureThis cardKnown examplesResult
Overall form and proportionsAbbreviated two-part autograph: a compact zigzag 'M' with a trailing small letterform, a gap, then a tall 'P'-based second unit with a cross-stroke and a long trailing finish. The first unit is shorter and denser than the second.R1–R8 show the same two-unit abbreviation, with the zigzag 'M' unit first and a 'P' unit with crossing and extended terminal second. Relative proportions are similar, most closely in R4, R6 and R7.Match
Slant and baselineWritten along the card's long edge, rotated about 90° relative to the art. Relative to the writing direction it rises slightly left to right, with a mild forward slant in the 'P' unit.References are written horizontally with a slight upward baseline and forward lean (R1, R4, R8).Natural variation
Letter construction'M' is an angular down-up-down zigzag with sharp apexes. The 'P' is a tall stem with a bowl and a horizontal cross that resembles a 't'.Same angular zigzag 'M' in all references (very clear in R1, R4, R8). Same 'P' with stem, bowl and 't'-like cross in R1, R2, R5, R6.Match
Connecting strokesThe 'M' runs continuously into a short trailing stroke, then a pen lift before the 'P' unit.The same lift between the two units appears consistently (R1, R3, R4, R5, R8).Match
Starting and ending strokesStarts with a quick entry into the first downstroke of the 'M'. Ends with a long, tapering horizontal tail after the 'P' unit.Similar quick entries. The extended tapered terminal after the cross is visible in R1, R4, R6, R8.Match
Line quality and speedIn the crop, strokes look fluid and confident with tapered ends. No visible tremor or hesitation at this resolution.Fast, fluent marker strokes throughout.Match
Pen pressure patternInk density varies, heavier on downstrokes of the 'M' and lighter in the tail. Not uniform.Similar modulation in R4, R5, R7 (felt-tip on gloss).Match
SpacingClear gap between the 'M' unit and the 'P' unit, roughly one letter width.Comparable gap in R1, R3, R4, R5, R8.Match
Flourishes and underlinesNo separate underline. The terminal tail serves as the flourish.No underlines. The terminal tail serves as the flourish (R1, R8).Match
Placement and sizePlaced vertically in open green/dark background space to the right of the character. Proportionate to the card, roughly a third of its height.References are placed horizontally in open space, often lower areas of the art. Orientation differs, but placing the autograph in available empty space is consistent with artist-signed stickers.Natural variation
Ink and penDark teal / blue-green marker.Mix of blue (R1, R3, R8), black (R2, R5, R6), and dark green/teal (R4, R7).Natural variation

Examiner notes

Ours is on a 2024 Slop Culture Kids sticker (No. 85a), so it was signed in 2024 or later. All eight references are contemporary artist-autographed parody sticker and card releases: R1 is Horrorible Kids Series 9 and R2–R8 are Nintendopes Open Edition, roughly 2022–2024. Pingitore's abbreviated autograph is stable across this short window. Differences between the references come from pen (blue paint pen vs. black, green or teal markers) and from the glossy, colored sticker surfaces, not from career evolution.

  • Vertical orientation differs from all horizontal reference examples. This is likely just artist choice, but it is noted.
  • The autograph is a short, simple abbreviation, which is comparatively easy to imitate. The match rests on form and fluency rather than complex letterforms.
  • All references are Crown-reviewed items from the same artist product lines. None is witnessed or third-party authenticated, so the reference base is not independent.
  • The image cannot confirm the ink sits on top of the sticker's gloss rather than being printed.

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.