In short: Look for the 1st Edition stamp at the lower-left corner of the artwork. Then look at the right edge of the art frame: no drop shadow means shadowless, the earliest print. Then read the copyright line at the bottom: a 1999-2000 date means the final unlimited print. Each is a different card with its own price.
The four Base Set prints
Collectors sort English Base Set into four prints: 1st Edition, shadowless, unlimited, and the 1999-2000 print that followed in 2000. The first three appeared in 1999. The first run carries a 1st Edition stamp and has no drop shadow on the art frame. The second run dropped the stamp but kept the shadowless frame. The unlimited run added the drop shadow, and the final print changed the copyright line.
Every later Wizards-era set, from Jungle through Neo, was printed with a 1st Edition run and an unlimited run, and the stamp is the difference.
| 1st Edition stamp | Drop shadow on art frame | Copyright line | |
|---|---|---|---|
| 1st Edition | Yes | No | ©1999 Wizards |
| Shadowless | No | No | ©1999 Wizards |
| Unlimited | No | Yes | ©1999 Wizards |
| 1999-2000 print | No | Yes | ©1999-2000 Wizards |
Where the 1st Edition stamp is
The stamp is a small black circle with a 1 inside it and the word Edition beside it, printed on the left side of the card at the lower-left corner of the artwork frame. It is easy to miss on a card in a sleeve and impossible to miss once you know the spot.
Fake stamps exist, so a stamped Base Set card should also pass the shadowless test, because every genuine 1st Edition Base Set card is shadowless.
What shadowless means
Look at the right edge and the bottom edge of the artwork frame. On an unlimited card there is a thin dark drop shadow that makes the frame look raised. On a shadowless card the frame is flat, with no shadow. The shadowless print also has slightly thinner HP text and lighter colors, but the shadow is the reliable tell.
Shadowless cards were printed briefly between the 1st Edition run and the unlimited run, and they sell for a large premium over unlimited copies of the same card.
Reading the copyright line
Along the bottom of every Base Set card is a line of small text with the copyright dates. The earlier prints read ©1995, 96, 98 Nintendo, Creatures, GAMEFREAK. ©1999 Wizards. The final print, released in 2000, reads ©1999-2000 Wizards instead. That print is the most common and the least valuable, and the line is how you identify it.
1st Edition in later sets
Jungle, Fossil, Team Rocket, the Gym sets, and the Neo sets all have 1st Edition and unlimited prints, and the stamp is the only difference; Base Set 2 and Legendary Collection never got a 1st Edition run. Shadowless is a Base Set phenomenon and does not apply to the later sets. The 1st Edition premium varies by set: it is large for Jungle and Fossil holos, very large for Neo Revelation and Neo Destiny holos, where 1st Edition print runs were small, and large for Neo Genesis Lugia on demand alone.
Japanese cards from the same era do not use the stamp. Japanese sets identify prints by their own numbering and set names.
What the difference is worth
For a Base Set holo the price steps are steep: unlimited is the baseline, shadowless typically sells for several times the unlimited price, and 1st Edition for several times shadowless. For the Charizard the gaps are the largest in the hobby, and a graded 1st Edition copy sits in a market of its own. For commons and uncommons the steps are smaller but still real, and 1st Edition commons of popular Pokémon are collected on their own.
Condition compounds all of it. A 1st Edition card with edge wear is still a 1st Edition card, but the premium for a Near Mint copy is where most of the value concentrates.
Read it from a photo
CardLens catalogs 1st Edition, shadowless, unlimited, and 1999-2000 Base Set cards as separate printings. Scan the card and the match names the print, the value range comes from recent eBay sales of that print, and the condition grade tells you which end of the range you are on. Point it at the Charizard from the shoebox and the stamp question is settled before you finish the coffee.
How the scanner tells the four prints apart
Sources: CGC: How to tell if a Pokémon card is a 1st Edition, PSA: Base Set variations
Questions collectors ask
How do I know if my Pokémon card is 1st Edition?
Look for the small black circle with a 1 and the word Edition on the left side of the card, just below the artwork. If it is there, the card is 1st Edition. If not, check for shadowless and the copyright line.
What does shadowless mean on a Pokémon card?
The artwork frame has no drop shadow on its right and bottom edges. Shadowless cards were the earliest Base Set prints, and every 1st Edition Base Set card is also shadowless.
Is a shadowless card worth more than unlimited?
Yes, usually by several times for holos, because the shadowless print run was short. 1st Edition copies are worth more again.
How do I know if my old Pokémon card is Base Set?
Base Set cards have no set symbol at all next to the collector number. Every later set has one. If the card has no set symbol and no black promo star, it is Base Set.
Do Japanese Pokémon cards have 1st Edition stamps?
No. The 1st Edition stamp is an English and other Western-language feature. Japanese prints are identified by their own numbering and set names.
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Scan a vintage card and see which print it is.
CardLens tells 1st Edition, shadowless, and unlimited apart and shows a value range built on recent eBay sales of that print.