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Professor's Letter

Professor's Letter

BREAKthrough · #146a · Uncommon

—US · TCGplayer
—EU · Cardmarket
—7-day (EU)
—30-day (EU)
UncommonRarity
#165 of 165Rank in set

Price detail

Market read: stable, with no notable signal right now.

FAQ

Is Professor's Letter rare?

Its rarity is listed as Uncommon and it ranks #165 of 165 by value in BREAKthrough. Rarity is the printed classification — it does not by itself guarantee value.

What's the most valuable card in BREAKthrough?

By current US market price, it's Mewtwo-EX at $174.

Near it by value in BREAKthrough

Heavy Boots
Heavy Boots
BREAKthrough
$0.32
Reserved Ticket
Reserved Ticket
BREAKthrough
$0.32
Hippopotas
Hippopotas
BREAKthrough
$0.31
Inkay
Inkay
BREAKthrough
$0.25

Other printings of Professor's Letter

Professor's Letter
Professor's Letter
XY
$1.85

Prices datamined 2026-06-12. The 7/30-day trend is Cardmarket (EU) — an early momentum signal, not a guarantee.