AI identification & appraisal estimate

Japanese Pokémon Card - Giovanni (Sakaki) Holofoil Trainer - Gym Booster 2: Challenge from the Darkness (1999)

Submitted photo of Japanese Pokémon Card - Giovanni (Sakaki) Holofoil Trainer - Gym Booster 2: Challenge from the Darkness (1999)
Photo submitted by the user — not generated by AI

User's notes

Pokémon card

These notes were written by the person who submitted this item. Appraiser.AI has not verified them, and the AI's identification and estimate may rely on them.

AI Estimated Value

Not an official valuation

$40.00 - $65.00

AI estimate as of January 31, 2026 · verify with a professional before acting

AI-Generated · Verify before acting

Everything on this page 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.

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 Item Analysis

This is a vintage Japanese Pokémon Trading Card Game (TCG) Trainer card featuring Giovanni, known in Japan as 'Sakaki.' The card is from the 'Gym Booster 2: Challenge from the Darkness' expansion pack, released in 1999 by Media Factory. The card features a distinctive holofoil illustration (Japanese 'secret' or rare foil style) depicting Giovanni in front of a dark green background with a gold-bordered emblem. The card follows the classic 1st generation Japanese card design with a gold border, a mechanical/industrial gray text box at the bottom, and the 'Gym' series set symbol (a silhouette of a Gym tower with a small plus sign) located in the bottom right corner of the text area. The card is currently housed in a rigid plastic toploader, which shows significant surface scratches and scuffing, likely obscuring the true surface condition of the card underneath. However, visible through the plastic, the card's centering appears slightly favored toward the left-hand side. There is no visible 'no rarity' mark, which is consistent with this being a standard holo from this specific Japanese set. The card represents a key piece of early Pokémon TCG history, produced during the peak of the late 90s 'Pokémania.' The craftsmanship of the Japanese holos from this era is noted for the 'Cosmos' foil pattern that provides a speckled or starry visual effect when caught by light. The text is entirely in Japanese, and the card's age is approximately 25 years old.

AI Appraisal Report

I have examined the digital image of the 1999 Japanese Gym Booster 2: Challenge from the Darkness Giovanni (Sakaki) Holofoil Trainer card. Based on visual cues, the card appears to be an authentic example of the Media Factory printing, characterized by the correct gold-bordered frame and the distinctive Japanese 'Cosmos' foil pattern. The centering exhibits a typical slight left-heavy bias, common for this production era. The card is currently housed in a heavily scuffed toploader, which significantly hinders a definitive assessment of the surface and edges. While the card appears to be in 'Near Mint' condition through the plastic, potential silvering on the edges or microscopic scratches on the foil—common in 25-year-old holos—could lower the grade to 'Excellent.' This specific Trainer card remains popular among Gym Heroes/Challenge completionists, though it generally commands a lower premium than the Japanese holofoil Pokemon themselves. Market data for raw copies in similar condition typically fall within the $40 to $65 range. For high-end professional grading (PSA/BGS), a Gem Mint 10 could command $250+, but I cannot guarantee such a grade due to the obscured surface. Please note that a definitive authentication is impossible via photography alone. A physical inspection is required to verify the paper density, surface texture (using 10x magnification), and the 'light test' to confirm the internal black layer characteristic of authentic Nintendo/Media Factory cardstock. For full valuation, I recommend removing the card from the scratched toploader to inspect for 'clouding' or surface indentations not visible here.

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