![Gym Heroes Japanese Pokemon Booster Pack [PMCG-G1] (Leaders' Stadium, 1998, Old Back)](https://samuraiswordtokyo.com/wp-content/uploads/2026/09/gym-heroes-japanese-pokemon-booster-pack-pmcg-g1-1.webp)
Description
Gym Heroes Japanese Booster Pack (Leaders’ Stadium, 1998)
Japanese Pokemon Card Game booster pack from Leaders’ Stadium (PMCG-G1), the Japanese set released in English as Gym Heroes. Released in Japan on 24 October 1998. Each pack contains 10 random cards. Cards from this era use the original Japanese card back (“Old Back”); the current Japanese card back was introduced with Pokemon Card VS in July 2001.
PRODUCT
| Condition | Unopened |
|---|---|
| Product type | Booster pack (拡張パック / Expansion Pack) |
| Japanese name (as listed) | ジム拡張第1弾 リーダーズスタジアム |
| Set (Japanese title, English rendering) | Leaders’ Stadium |
| English-language release | Gym Heroes |
| Series | Original era, Gym Expansion 1 |
| Set code (collector reference) | PMCG-G1 |
| Japanese Release Date | 24 October 1998 |
| Cards per pack | 10 |
| Cards in set | 96 |
| Card back | Old Back (original Japanese card back design, used until July 2001) |
| Language | Japanese |
Pack contents
Unopened pack. “Unopened” means the original pack wrapper has not been opened. This is a vintage item (set released 1998) and the wrapper may show storage wear consistent with its age.
Random contents. Contents are random; no specific card is promised. Images of specific cards, where shown, are for reference only and represent possible pulls from this set.
As with all our trading card products, sales are considered final. Please see our Return and Refund Policy for details.
Related Guides
Japanese Old Back Pokemon Cards: Vintage Value Guide (Pre-2001) · Vintage Japanese Pokemon Cards: Old Back Era Collecting Guide
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