Professor's Research 84 / 78 Pokemon Card from Pokémon GO Set

About the Professor's Research Trainer Card

Professor's Research is a Supporter Trainer card from the Pokémon GO set, part of the Sword & Shield series. It carries the collector number 84/78 and is classified as Rare Rainbow. The Pokémon GO set was released on July 1, 2022.

The card includes the flavor text: “Professor Willow”.

Professor's Research Trainer Card Details

Card name: Professor's Research

Card number: 84/78

Set: Pokémon GO

Series: Sword & Shield

Rarity: Rare Rainbow

Card type: Trainer (Supporter)

Artist: Yusuke Kozaki

Release date: July 1, 2022

Why Collect the Professor's Research Trainer Card?

Professor's Research sits at a higher rarity tier, which makes it the kind of card collectors build sets around and use as a display piece. Well-centred, high-grade copies are the most desirable. For collectors completing the Pokémon GO set, a card like this is often a centrepiece.

Across the hobby, collectibility generally comes down to rarity, condition, artwork, and overall demand for the set.

Artwork and Illustration of the Professor's Research Trainer Card

Professor's Research was illustrated by Yusuke Kozaki.

For Rare Rainbow cards, the illustration is a major part of the appeal, and the artwork is one of the main reasons collectors seek these cards out.

Market Price and Value of the Professor's Research Trainer Card

The current aggregated market price for Professor's Research is about $8.55. Recent listings range from roughly $7.50 (low) to $500 (high), with a mid-point near $9.10. These figures are aggregated from marketplace data and change over time; the live price and full price history are shown above on this page.

For context, the Pokémon GO set has a median card value near $0.57 and an average near $4.65, so this card sits above the typical card in the set. The aggregated price has moved -4% over the last 7 days and -7% over 30 days.

Pokémon cards are best collected for enjoyment first. Where value matters, it is typically driven by graded population, the popularity of the Pokémon GO set, the availability of sealed product, and broader Pokémon TCG market trends.

Grading the Professor's Research Trainer Card

Whether Professor's Research is worth grading comes down to condition. Before submitting a card, collectors usually check front and back centring, corner sharpness, edge wear, surface defects, and any print lines or factory imperfections.

Across the hobby, top grades such as PSA 10, BGS/Beckett 9.5–10, and CGC Pristine 10 generally command a premium over raw or lower-graded copies.

PSA has graded 480 copies of this card, of which 236 earned a PSA 10 — a gem rate of about 49.2%. These population figures were last refreshed on June 15, 2026. Population counts only rise as more copies are submitted, so the gem rate and totals shift over time; nothing here is estimated or back-filled.

How Rare Is the Professor's Research Trainer Card?

Rare Rainbow cards such as Professor's Research are among the harder pulls in a set and are the kind of card collectors actively chase, which is reflected in their relative scarcity.

Its collector number (84/78) sits above the set's printed total of 78, which is typical of special and secret rare cards that fall outside the main numbered set.

Population data is one concrete measure of scarcity: PSA has graded 480 copies to date.

Other Printings of Professor's Research

Professor's Research appears on more than one card across the catalog. Other printings include SWSH Black Star Promos SWSH152 (around