tcgrate
  1. tcgrate
  2. Games
  3. Pokémon
  4. Cards
  5. Professor's Research [Professor Willow] - SWSH178

Pokémon · 2 printings · 2 priced

Professor's Research [Professor Willow] - SWSH178 card prices

Professor's Research [Professor Willow] - SWSH178 card prices across all 2 printings we track, from $0.41 to $0.58 — the version you hold decides the value, not the name.

Price range · Oct 20, 2026
$0.41 – $0.58
most expensive: SWSH: Sword & Shield Promo Cards #SWSH178
SWSH: Sword & Shield Promo Cards · #SWSH178$0.58
SWSH: Sword & Shield Promo Cards · #SWSH178$0.41
All printings Price guide Top cards Game
SWSH: Sword & Shield Promo Cards · most expensive printing1 year
$0.41$0.56$0.72$0.88
$0.58
Oct 2025Feb 2026Jun 2026Oct 2026
TCGplayer market price · via tcgcsvtcgrate.com
Printings
2
Priced
2
Cheapest
$0.41
Most expensive
$0.58

Every printing

most expensive first
Professor's Research [Professor Willow] - SWSH178 (with Pokemon Go Code) (SWSH178), Sword & Shield Promo Cards — Pokémon card price +1.8% 7d Professor's Research [Professor Willow] - SWSH178 (with Pokemon Go Code) SWSH: Sword & Shield Promo Cards · #SWSH178 $0.58 Professor's Research [Professor Willow] - SWSH178 (SWSH178), Sword & Shield Promo Cards — Pokémon card price −4.7% 7d Professor's Research [Professor Willow] - SWSH178 SWSH: Sword & Shield Promo Cards · #SWSH178 $0.41
PrintingReleasedMarket7d30d1y30 days
Professor's Research [Professor Willow] - SWSH178 (with Pokemon Go Code) (SWSH178), Sword & Shield Promo Cards — Pokémon card price Professor's Research [Professor Willow] - SWSH178 (with Pokemon Go Code)SWSH: Sword & Shield Promo Cards · #SWSH178 · Promo Nov 15, 2019 $0.58 +1.8% −6.5% −25.6%
Professor's Research [Professor Willow] - SWSH178 (SWSH178), Sword & Shield Promo Cards — Pokémon card price Professor's Research [Professor Willow] - SWSH178SWSH: Sword & Shield Promo Cards · #SWSH178 · Promo Nov 15, 2019 $0.41 −4.7% +7.9% 0.0%

Why Professor's Research [Professor Willow] - SWSH178 has 2 prices

Each printing is a different physical card — a different set, number, often a different frame or foil treatment — and the market prices them separately. The range above runs from the cheapest priced printing to the most expensive one; the chart follows the most expensive. Open any row to see that printing's own history, every foil variant, and where it costs less.