Question 1

How much is Brook OP17-091 worth?

Accepted Answer

Brook OP17-091 from The World's Strongest Warriors (OP-17) sells for €0.04 in Europe and $0.09 in the US, as of 2 November 2026.

Question 2

Is Brook OP17-091 going up or down in price?

Accepted Answer

Down. Over 30 days, since 6 October 2026, its Cardmarket price has fallen 43%, from €0.07 to €0.04.

Question 3

Why is Brook OP17-091 priced differently in Europe and the US?

Accepted Answer

Cardmarket and TCGplayer are separate markets with their own sellers, buyers and supply. In the US it sells for $0.09 on TCGplayer, about €0.08, which is 101% higher than its €0.04 on Cardmarket. Prices are converted at the European Central Bank’s reference rate for the same day.

Question 4

Where does this price come from?

Accepted Answer

The European price is Cardmarket’s trend price, their daily estimate of what the card sells for now, from real sales. The US price is TCGplayer’s market price, from recent completed sales. Binderlist collects both every night and keeps each day’s price.

Question 5

What is the most valuable card in The World's Strongest Warriors (OP-17)?

Accepted Answer

Monkey.D.Luffy (Parallel 2) EB04-061 at €16,800 on Cardmarket, as of 2 November 2026.

Set	The World's Strongest Warriors (OP-17)
Number	OP17-091
Rarity	Common
Released	20 August 2026

Brook OP17-091 price

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Price history

Card details

Questions and answers

How much is Brook OP17-091 worth?

Is Brook OP17-091 going up or down in price?

Why is Brook OP17-091 priced differently in Europe and the US?

Where does this price come from?

What is the most valuable card in The World's Strongest Warriors (OP-17)?

Most valuable in The World's Strongest Warriors (OP-17)

Other prints of Brook