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The Vending series and the Masaki promos

拡張シート・マサキのパソコン

In 1998 Japanese kids could buy Pokémon cards from a vending machine for ¥100 a sheet, then mail in two cards to get a holo back. Both are now collector territory, and one mail-in Gengar is a six-figure card.

Grail fileNo. 012
Sheets
¥1003 peel-off cards each
Series
3Blue, Red, Green · 1998
Gengars
36,000mailed out 1998–99
Gengar PSA 10
$240,000Fanatics Collect · Sep 2026

The Vending series is the collectors' name for Media Factory's 1998 Expansion Sheets (拡張シート): sheets of three peel-off Pokémon cards sold for ¥100 from Jumbo Carddass vending machines, in three series called Blue, Red and Green. Players could mail in two cards to get a holo "Masaki" promo back. A PSA 10 Masaki Gengar sold for $240,000 in September 2026, up from about $14,000 a year earlier.

Last updated . Prices include buyer's premium unless noted.

Cards from a vending machine

In 1998, Media Factory sold Pokémon cards a new way: Expansion Sheets (拡張シート) from Bandai's Jumbo Carddass vending machines, at ¥100 a sheet. Each sheet held three glossy cards you peeled off a backing. Collectors call them the "Vending series", but that's a nickname, not the official name.[1][3]

SeriesReleasedCardsNotes
Series 00 (preview sheet)Dec 19973Pikachu, Mewtwo and Mew, handed out at the 7th World Hobby Fair [2]
Series 1: Blue (青版)23 Mar 199836[1]
Series 2: Red (赤版)17 Jun 199836[1]
Series 3: Green (緑版)24 Nov 199853Includes "Bill's PC", the card behind the Masaki campaign [1]

Each series came as 18 sheets. Every sheet held three glossy peel-off cards plus damage counters or coins, for ¥100 including tax.[3]

Mail in two cards, get a holo back

The Green series included a card called Bill's PC (マサキのパソコン; Bill is called Masaki in Japan). From 24 November 1998 to 30 April 1999, the "Communication Evolution" campaign let players mail in Bill's PC with one of five Pokémon and get its evolution back as a holo promo.[4]

Mailed in with Bill's PCHolo sent backCopies
KadabraAlakazam39,000
HaunterGengar36,000
MachokeMachamp29,000
GravelerGolem22,000
OmanyteOmastar21,000

Issue numbers as reported by Trainer's Magazine, via Pokumon. More than 140,000 people took part.[4]

Those copy counts make the Masaki promos rare but not tiny. What makes high grades scarce is how they were sent: in envelopes with corner locks, so many arrived with dented corners.[5]

GraderGradeCopiesAs of
PSA10, Masaki Gengar84Jun 2026 [5]
PSAAll grades, Masaki Gengar1,287Feb 2024 [7]

The Masaki Gengar boom

The Gengar is the star. A PSA 10 sold for about $14,000 as recently as early 2025; in 2026 it became a six-figure card.

DateGradePriceVenueNotes
22 Sep 2026PSA 10$240,000Fanatics CollectMasaki Gengar, Buy Now. [6]
Aug 2026PSA 10$207,400$170,000 hammerGoldinMasaki Gengar, 14 bids. [6]
19 Jun 2026PSA 10$198,000Fanatics CollectMasaki Gengar, 53 bids. [5]

Graded copies should read "MASAKI PROMO" on the slab label; check for it. Most other Vending cards remain affordable, and high-grade examples are thin mainly because few copies have been sent for grading.[8]

The other 1997 channel: chocolate boxes

At the same time, Meiji put Pokémon cards in its ¥100 Choco Snack boxes, one card per box. The 1997 Get Cards set has 170 foil cards, each with a rock-paper-scissors hand on the front, including gold Pikachu, Mewtwo and Mew (152–154), years before Gold Star cards existed.[9][10] Don't confuse them with the 2004–08 Meiji promos, which carry a red Meiji logo.[9]

What to search for in Japan

Expansion Sheet: the official name of the vending cards
Blue / Red / Green series
Bill's PC (Bill is Masaki in Japanese)
Jumbo Carddass, the vending machines
Meiji Get Cards, the 1997 chocolate promos

Finding sheets and Masaki promos

Unpeeled sheets, complete series and sharp-cornered Masaki promos mostly surface in Japan. Tell us which card or sheet you want, and the grade.

The three 1998 Japanese Pokémon vending sheet series: blue, red and greenMasaki Gengar, the 1998 Communication Evolution Campaign promo card
1998 Japanese vending sheets and a Masaki promo.
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  1. Bulbapedia: Vending Machine cards (TCG)
  2. Pokumon: Vending machine sheets
  3. Pokémon Card Wiki (Japanese): Expansion Sheet, Series 1 Blue
  4. Pokumon: The Communication Evolution (Masaki) campaign
  5. Fanatics Collect: Masaki Gengar, PSA 10 (Jun 2026)
  6. Polkastarter: The most valuable Gengar cards
  7. Elite Fourum: Increasing population numbers and low PSA grades on Masaki promos
  8. Elite Fourum: The Japanese Vending series is underrated
  9. Folio: Meiji Pokémon cards
  10. Pokumon: The Meiji chocolate Pokémon promotion