Professor's Research

Scarlet & Violet Black Star Promos · No. 221

Promo EN Trainer

Current value

$0.21

TCGplayer Near Mint

Prices

Variant	TCGplayer	Cardmarket
Normal	$0.21 Low $0.21 · High $0.21	€3.86

TCGplayer prices are Near Mint market averages, Cardmarket prices are 30-day averages in EUR. Refreshed every 15 minutes, as of Oct 30, 2026, 8:06 PM UTC.

Details

Rarity

Promo

Artist

Hideki Ishikawa

Number

221

Expansion

Scarlet & Violet Black Star Promos

Series

Scarlet & Violet

Subtypes

Supporter

Price history

TCGplayer Cardmarket

$4.31 $0.00 (0.0%)

$4.00 $4.20 $4.40 $4.60

Sep 30 Oct 7 Oct 16 Oct 23 Oct 30

Normal · Cardmarket average · last 30 days, average price by day

Date	Average
Sep 30, 2026	$4.31
Oct 1, 2026	$4.31
Oct 2, 2026	$4.31
Oct 3, 2026	$4.31
Oct 4, 2026	$4.31
Oct 5, 2026	$4.31
Oct 6, 2026	$4.31
Oct 7, 2026	$4.31
Oct 8, 2026	$4.31
Oct 9, 2026	$4.31
Oct 10, 2026	$4.31
Oct 11, 2026	$4.31
Oct 12, 2026	$4.31
Oct 13, 2026	$4.31
Oct 15, 2026	$4.31
Oct 16, 2026	$4.31
Oct 17, 2026	$4.31
Oct 18, 2026	$4.31
Oct 19, 2026	$4.31
Oct 20, 2026	$4.31
Oct 21, 2026	$4.31
Oct 22, 2026	$4.31
Oct 23, 2026	$4.31
Oct 24, 2026	$4.31
Oct 25, 2026	$4.31
Oct 26, 2026	$4.31
Oct 27, 2026	$4.31
Oct 28, 2026	$4.31
Oct 29, 2026	$4.31
Oct 30, 2026	$4.31

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Where to buy

TCGplayer Search Professor's Research on TCGplayer Cardmarket Search Professor's Research on Cardmarket eBay Search Professor's Research on eBay

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Professor's Research is card 221 of Scarlet & Violet Black Star Promos, a Scarlet & Violet series English Pokémon TCG expansion. Prices and price history here come from TCGplayer and Cardmarket and refresh every 15 minutes, and you can scan and track your Scarlet & Violet Black Star Promos cards in the Arca TCG app.