Professor's Research [Professor Willow]
Pokemon GO · #78/78 · Ultra Rare
$2.63
Market price ▲ 13.9% (1Y)
Price history
Full Art▲ 2.3% 7d$2.63
Low $1.70Mid $2.83High $49.99
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Graded values
updated 2026-07-08PSA 10 price history$40.45
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
How much is Professor's Research [Professor Willow] #78/78 worth?
A raw copy of Professor's Research [Professor Willow] #78/78 (Pokemon GO) is worth about $2.63 right now, based on the latest market data from July 8, 2026.
Grading changes the math on this one: a PSA 10 is valued around $40.45, roughly 15.4x the raw price, while a PSA 9 sits near $15.44.
These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.
![Professor's Research [Professor Willow] #84 Pokemon GO](https://api.cardprice.com/images/cards/tcg-277018.png?v=2)