![Professor's Research [Professor Magnolia] - 223 — SVP Black Star Promos #223](https://tcgplayer-cdn.tcgplayer.com/product/664828_in_400x400.jpg)
Professor's Research [Professor Magnolia] - 223
SV Promos · #223 · Promo
Professor's Research [Professor Magnolia] - 223
SV Promos · #223 · Promo
Raw
$0.23
Fair value We don't have a fair value for this card yet — it's coming in the future.—
Demand Building Demand is rising, but the price hasn’t followed yet.
Sales +80%
Price history· 30d · % change
Overlays
Supply & DemandTCGplayer · last 30 days
Sold / wk
68
▲ 79.7% vs 30d
TCGplayer sales · sold per day
Supply shows both venues: eBay active listings + TCGplayer sellers (distinct units, not summed). Demand is TCGplayer sales; the supply-trend gauge reads eBay for now, with the TCGplayer trend surfacing once its history is reliable, then blending. Descriptive market context, not a forecast.
Across HyperPotion
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