Seiki Kurosaki
Actor and Suit Actor for Juspion (Uchuu Keiji) · Entertainment - Tokusatsu / Film & TV
Toei Company / Space Sheriff Series
Era
Modern Era - Likely signed between 2010 and 2024
Item Type
Promotional Poster or Glossy Photograph
Condition
Excellent; the signature is bold and sharp with no visible fading or smudging, though the paper has slight surface glare.
Rarity
Moderately rare; Kurosaki is a niche signer primarily active at conventions and fan events in Japan and Brazil.
Overall Assessment
A high-quality, authentic-appearing example of a Tokusatsu legend's signature on a prime image of his most famous character.
Authenticity Assessment
Likely authentic based on ink flow and stroke formation; moderate confidence pending physical inspection.
Signature Style
Vertical Japanese kanji script with a stylized bottom flourish and modern marker flow.
Signature Characteristics
Fluid, vertical alignment with heavy pressure at the starts of the characters and a tapering off towards the bottom.
Ink & Medium
Black permanent marker (Sharpie or similar brand) on a glossy photo/print surface.
Item Description
A high-gloss promotional image featuring the character 'Juspion' from the 1985 series 'Kyojuu Tokusou Juspion'.
Estimated Value
$100 - $250 USD
Comparison to Known Examples
Consistent with authenticated examples signed during Brazilian fan conventions (Anime Friends), where the actor is a regular guest.
Authentication Tips
Verify the stroke order of the kanji and look for the 'tail' at the end of the signature which is typical of Kurosaki's rapid-signing style.
Certification Recommendation
Beckett Authentication Services (BAS) or JSA (James Spence), specifically their entertainment divisions.
Red Flags
No significant red flags; the ink sits correctly on the surface and shows natural speed indicators.
Provenance Notes
Look for documentation from a Brazilian convention or a specific Japanese celebrity signing event arranged by Toei.
Historical Context
Juspion is a cult icon of the Metal Hero genre, specifically influential in Brazil where it became a cultural phenomenon.
Market Trends
Stable; there is a concentrated but passionate market for 1980s Tokusatsu memorabilia, particularly in Japan and South America.
Investment Potential
Moderate; a staple piece for Tokusatsu collectors, though its value is capped by the niche nature of the genre.
Similar Autographs
Kenji Ohba (Gavan), Hiroshi Watari (Sharivan/Spielban), or Sonny Chiba.
Display & Preservation
Frame under UV-protective acrylic to prevent the black marker from turning blue/fading; use acid-free backing.
Interesting Facts
Seiki Kurosaki performed many of his own stunts and is widely regarded as one of the most physically talented 'Metal Heroes' of the 80s.