The 1999 Base Set Pikachu #58, the version with yellow cheeks, is one of the most-printed Pokemon cards in existence. Raw copies trade for a few dollars. The same card in PSA 10 is in our $500 machine this week with a mark of $493. Nothing about the cardboard changed between those two prices. The grade is the entire value.
Why 1999 10s are rare
Base Set was printed quickly, in enormous volume, on equipment and with quality control that would not pass today. Cards came out of packs off-center, with print lines across the art, with factory-rounded corners and chipped edges from the cut. PSA's standard for a 10 has not changed to accommodate that: centering within tolerance, four sharp corners, clean edges, no surface flaws. The result is that for most Base Set commons, the share of submitted cards that come back 10 is in the single-digit or low-double-digit percent range, and that is after submitters have already screened the obvious rejects. A 10 is scarce because the printing was bad, not because the card is.
The 9-to-10 cliff
On this Pikachu, a PSA 9 is a nice card at a nice-card price, a small fraction of the 10. A PSA 8 is a few dollars more than raw. The whole value curve is a cliff at the top grade, which is the opposite of how a chase card behaves: a Base Set Charizard in an 8 is still a serious card, because the card itself carries value. On a common, nothing below a 10 carries any.
The modern comparison
Take a 2024 common in PSA 10. Modern printing gems at many times the 1999 rate, PSA has graded them by the thousand, and the 10 is worth about what you paid to get it graded, often less. Same label, same standard, different decade, and the difference is the gem rate. This is the single most useful thing to understand about grading: the label certifies a condition, but the price of the label depends on how hard that condition was to achieve for that printing.
What to do with it
If you have raw Base Set commons, grading them is a long shot with a real prize but a low hit rate, and at PSA's current $80 Regular fee and four-month wait it only makes sense for copies you have screened hard for centering and surface. If you are buying, a PSA 10 Base Set common is a defensible object precisely because no new supply arrives: the 1999 print run is finished and the gem rate does not improve with time.
Grade Expectations ran in The Pack Report, August 31, 2026: The First Million-Dollar English Pokemon Card Is a Rayquaza. Published by Rip Station.