CoroCoro Promo Pokémon Cards: Mew, Erika’s Bulbasaur, Kyogre ex and Groudon ex Prices

CoroCoro promo cards are Pokémon cards that came free with Japan’s CoroCoro Comic magazine, or that readers got by sending in a coupon. Overseas collectors say many CoroCoro cards are now selling near their all-time highs. This guide covers why CoroCoro promos draw attention, four cards to know, and their latest listings on Collect2Day.

Key points

What are CoroCoro promo cards?

CoroCoro Comic (月刊コロコロコミック) is a monthly children’s manga magazine published by Shogakukan. In the Pokémon card game’s early years it often came with a free promo card (おまけカード), or with a coupon readers could cut out and exchange for a limited card. Together these are known as CoroCoro promos.

Cards printed before 2001 have a different back from today’s, which Japanese collectors call 旧裏 (old back). The Mew and Erika’s Bulbasaur here are old-back cards; Kyogre ex and Groudon ex are promos from the 2003 ADV era.

Why do collectors watch CoroCoro cards?

1. The glossy finish is gone. Some early CoroCoro cards had a glossy surface (光沢あり), a print finish that was never used again.
2. Magazine only. These cards came with the magazine or by coupon, never in booster packs, so print runs were limited.
3. Exclusive art. Many CoroCoro cards carry art that appears only on that promo.
4. Few high grades. Magazine cards were easily damaged in the post and on the page, and overseas collectors note that PSA 8 to 10 copies are scarce.

4 CoroCoro promo cards

Each comes with its card number, where it came from, its lowest Collect2Day listing and a search link:

1. 

   1. Mew (glossy)

   • Japanese name: ミュウ（No.151）
   • Source: free with CoroCoro Comic, February 1997; old back
   • Lowest Collect2Day listing: ¥5,000 (fair condition, 29 October 2026)
   • Lowest graded listing: about ¥3,167,000 (PSA9)

   Mew curled up on a lily pad, often called “Lily Pad Mew” by collectors abroad, and one of the best-known CoroCoro cards. Check for the glossy version: listings usually say 光沢あり in the title.

   Search CoroCoro Mew on Collect2Day ›

2. 

   2. Erika’s Bulbasaur

   • Japanese name: エリカのフシギダネ（No.001）
   • Source: free with CoroCoro Comic, December 1998; old back
   • Lowest Collect2Day listing: ¥1,222 (poor condition, 29 October 2026)
   • Lowest graded listing: about ¥397,000 (PSA9)

   Gym Leader Erika’s portrait sits in the bottom-right corner. A card with the same name was also printed in a Gym expansion, so make sure you are buying the CoroCoro one. It is the most affordable of the four.

   Search CoroCoro Erika’s Bulbasaur on Collect2Day ›

3. 

   3. Kyogre ex (holo)

   • Japanese name: カイオーガex（011/ADV-P）
   • Source: CoroCoro Comic exchange promo, 2003; holo
   • Lowest Collect2Day listing: ¥34,799 (poor condition, 29 October 2026)
   • Lowest graded listing: about ¥2,375,000 (PSA10)

   Kyogre ex has two CoroCoro prints: 011/ADV-P is the holo and 001/ADV-P is not. Collect2Day had only 3 ungraded listings of 011/ADV-P, far fewer than the non-holo.

   Search Kyogre ex 011/ADV-P on Collect2Day ›

4. 

   4. Groudon ex (holo)

   • Japanese name: グラードンex（012/ADV-P）
   • Source: CoroCoro Comic exchange promo, 2003; holo
   • Lowest Collect2Day listing: ¥38,799 (poor condition, 29 October 2026)
   • Lowest graded listing: about ¥1,188,000 (PSA10)

   The partner to Kyogre ex, illustrated by Kazuo Yazawa. On 29 October 2026 Collect2Day had just 1 ungraded listing, the highest-priced of the four.

   Search Groudon ex 012/ADV-P on Collect2Day ›

Latest CoroCoro promo card prices

The lowest Collect2Day listing, the number of ungraded listings and the lowest graded (PSA) listing for each card. Graded copies can cost more than ten times as much: a glossy Mew PSA9 is about ¥3,167,000, over 600 times its lowest ungraded listing.

Asking prices in JP¥ on Collect2Day, 29 October 2026, not sold prices. The lowest listing and listing count cover ungraded single cards only. Graded prices are converted to yen and approximate. Mew and Erika’s Bulbasaur show PSA9: Mew’s only PSA10 listing has an extreme asking price, and Erika’s Bulbasaur has no PSA10 for sale. The cheapest listings are mostly in poor condition; better copies and graded slabs usually cost far more.

What to check before buying a CoroCoro promo

1. The version. Mew: glossy or not. Erika’s Bulbasaur: CoroCoro or Gym expansion. Kyogre ex and Groudon ex: 011/012 (holo) or 001/002.
2. The condition. Magazine cards often have creases and scratches, so look closely at the corners and surface in the listing photos.
3. Graded versus raw. PSA and other graded cards are priced very differently from raw ones, so compare them separately.

FAQ

Card images © Pokémon/Nintendo/Creatures/GAME FREAK. Prices are Collect2Day asking prices on 29 October 2026, for reference only.