WOTC PromoBase · 1999Computer Error
TCGPlayer market
$6.97
- Cardmarket
- €3.08
- PSA 10
- $249.82
- PSA 9
- $47.59
- PSA population
- 2,045
Finish
Market prices
Ungraded prices from each marketplace we track, with sales activity where available.
TCGPlayer Market USD
$6.97
TCGPlayer Market
USD
—
eBay Average USD
$15.74
eBay Average
USD
Aug 15, 2026
eBay Sold USD
$22.75
eBay Sold
USD
—
Cardmarket EUR
€3.08
Cardmarket
EUR
—
Graded prices
Average sold price by grading company and grade.
- Grade 10
- $249.8252 sold▲
- Grade 9
- $47.5946 sold▲
- Grade 8
- $20.7112 sold▼
- Grade 7
- $28.703 sold
| Grader | 10 | 9.5 | 9 | 8.5 | 8 | 7.5 | 7 |
|---|---|---|---|---|---|---|---|
| PSA | $25052 sold▲ | – | $47.5946 sold▲ | – | $20.7112 sold▼ | – | $28.703 sold |
| CGC | $44.5893 sold▲ | $20.1110 sold▲ | $23.3624 sold▲ | $19.6213 sold▲ | $13.997 sold▼ | $8.195 sold▲ | – |
Population report
How many copies each grading company has graded, and at which grade.
PSA graded
2,045
Gem rate
Price by condition
Ungraded market price for each printing, from Near Mint down to Damaged.
Normal
NM
Near Mint
$7.03
LP
Lightly Played
$5.01
MP
Moderately Played
$3.98
HP
Heavily Played
$2.42
DM
Damaged
$2.15
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About Computer Error
Computer Error is a Pokémon card (#16) from WOTC Promo, part of the Base series, released in 1999.
An ungraded copy currently sells for about $6.97. A PSA 10 (Gem Mint) averages $249.82 — about 35.8× the raw price.
PSA has graded 2,045 copies, 767 of them at PSA 10 (a 37.5% gem rate). Fewer tens usually means a larger premium for a top-graded copy.
PokiFrame tracks Computer Error across TCGPlayer, Cardmarket and eBay sales so you can check its value before you buy, sell or trade.
Computer Error — common questions
- How much is Computer Error worth?
- Computer Error from WOTC Promo has a market price of $6.97 for an ungraded copy, based on current TCGPlayer and eBay sales data. Condition, print variant and grading all move that number.
- What is a PSA 10 Computer Error worth?
- Recent PSA 10 (Gem Mint) sales of Computer Error averaged $249.82, about 35.8× the ungraded price. A PSA 9 averaged $47.59.
- How many PSA 10 Computer Error are there?
- PSA has graded 2,045 copies of Computer Error, and 767 of them received a PSA 10 — a gem rate of 37.5%.
