香山哲 (かやま てつ)
2023–presentBorn 1982 in Hyogo, now based in Berlin. A manga artist, illustrator, and game creator whose 'Berlin Uwa no Sora' ranked 10th in 'This Manga is Amazing! 2021.' Distinctive bold graphic style without screen tones, debuted with Illustration Rare in the 151 set.
- · Machoke (151 Illustration Rare)
- · Sandshrew (Various)
- · Dwebble (Various)
Cards
4
Avg Price
$10
Max Price
$29
30d Surge
0.0%
Signature works · Top 5 by value
Sets Featured (3)
Full 34-card portfolio (Japanese market)
Sourced from pokemon-card.com — includes JP-exclusive promos and older cards not yet in the CardGap price index. CardGap currently tracks 4 of these with price data.
Set-by-set breakdown
Tetsu Kayama contributed artwork to 3 distinct sets. The table ranks them by the most expensive card in each.
Rarity distribution
Breakdown of Tetsu Kayama's 4 works by rarity tier.
Amber bars indicate high-rarity tiers (SAR / SR / HR / Special Illustration / Hyper / Trainer Gallery).
Investment view on Tetsu Kayama's portfolio
Portfolio scale. $42 of estimated total catalog value across 4 cards in 3 sets. Average $$10/card with the peak at $29. The 30-day portfolio change is +0.0%, indicating a stable-to-positive trajectory.
High-rarity weight. 0 cards sit in high-rarity tiers (SAR / SR / HR / Special Illustration / Hyper / TG). These are the ones most likely to retain value long-term — Pokemon TCG investment historically favors illustrators with consistent high-rarity output over those who illustrate only commons.
Set diversification. Spread across 3 distinct sets. Concentration on Black Bolt (2 cards) with a peak there of $29. Wider set participation generally signals an "in-rotation" illustrator Bandai trusts with major releases.
Disclaimer: This is informational only. Pokemon TCG prices fluctuate ±10-30% in short windows; back-test before sizing positions.
Comparable illustrators
Other illustrators with significant overlap in sets. Stats side-by-side for context.
| Illustrator | Cards | Avg $ | Max $ | Shared sets |
|---|---|---|---|---|
| Tetsu Kayama (this page) | 4 | $10 | $29 | — |
| 5ban Graphics | 1123 | $34 | $2131 | 3 |
| takuyoa | 81 | $33 | $510 | 3 |
| N-DESIGN Inc. | 76 | $27 | $321 | 3 |
| Yuu Nishida | 31 | $20 | $86 | 3 |
| OKACHEKE | 16 | $17 | $74 | 3 |
| DOM | 12 | $14 | $62 | 3 |
All 4 Cards by Tetsu Kayama
All 4 Cards by Tetsu Kayama(top 5 highlighted above)
Frequently asked about Tetsu Kayama
Q. How many cards has Tetsu Kayama illustrated?
As of 2026-06-01, Tetsu Kayama has illustrated 4 Pokemon TCG cards across 3 different sets.
Q. What's the most expensive Tetsu Kayama card?
Currently Dwebble (Black Bolt · Illustration Rare) at $29 on the international market.
Q. What's the average price of an Tetsu Kayama card?
The international market average across all 4 cards is $10. The portfolio's 30-day average price change is +0.0%.
Q. Which sets feature Tetsu Kayama's artwork?
Tetsu Kayama has artwork in 3 sets including Black Bolt, Paldean Fates, Scarlet & Violet Black Star Promos.
Q. What rarities does Tetsu Kayama typically illustrate?
Top 3 rarity tiers for this artist: Illustration Rare (2), Promo (1), Shiny Rare (1). 0 cards (0%) are high-rarity tier (SAR / SR / HR / SIR / Hyper / Trainer Gallery).
Q. When was Tetsu Kayama most active?
Tetsu Kayama has been active 2023–present. The most prolific era in our database is "Scarlet & Violet era" with 4 cards.
Q. Are Tetsu Kayama's cards a good investment?
30-day portfolio change is +0.0%, with a max card price of $29. Stable trajectory — solid for long-term holds. High-rarity diversification reduces single-card risk. For specifics see /grading/psa10-roi and /arbitrage on CardGap.
Q. Which other illustrators are similar to Tetsu Kayama?
Most overlapping illustrators (shared sets): 5ban Graphics (3 shared sets, avg $34), takuyoa (3 shared sets, avg $33), N-DESIGN Inc. (3 shared sets, avg $27). See the comparison table above for full stats.
Q. Where can I find more about Tetsu Kayama outside CardGap?
X: @kayamatetsu / Official site / Bulbapedia. Links in the bio section above.
Q. How do I identify a Tetsu Kayama card?
Pokemon TCG cards print the illustrator's name at the bottom-left of the card art frame (small print). The name "Tetsu Kayama" appears verbatim, sometimes with a "Illus. " prefix. Style cues: bold graphic, no screen tones, hand-lettered. On CardGap, use the search at /illustrators to filter.
Interviews, events & media
Awards / recognitions (2)
- · Encouragement Prize, 24th Japan Media Arts Festival
- · Encouragement Prize, 17th Japan Media Arts Festival