Professor's Research (Professor Sada)

SupporterUltra Rare

Market activity

6 recorded sales

$28.50PSA 10▼ trending down

Grade	Evidence	Market
10	4 sales	$28.50
9	1 sale	$92.25

Outlier-filtered estimates from completed eBay sales, not asking prices. Grades backed by few sales are marked.

PSA population

34.8% grade a perfect 10, across 1,263 submissions.