I stumbled upon the pop report for CD promos and wow - there are 40k copies graded.
www.psacard.com/pop/non-sport-cards/1998/pokemon-japanese-cd-promo/55886
And THOUSANDS of PSA 10s? How is that possible? English WOTC PSA 10 holos are like 100 or 200 usually. Are these really that plentiful?