Professor's Letter

BREAKthrough · #146 · Uncommon

$1.04US · TCGplayer

$0.23EU · Cardmarket

+50%7-day (EU)

+5%30-day (EU)

UncommonRarity

#79 of 165Rank in set

Price detail

Market read: heating up — +50% in 7 days; ⚠ a sharp, recent spike — moves this fast are often speculative and can cool off as quickly as they spiked; notably pricier in the US.

TCGplayer (US) (reverseHolofoil)

Tier	USD
Low	$0.75
Market	$1.04
Mid	$1.16
High	$19.98

Every print variant (2)

Variant	Market	Low – High
Reverse Holofoil	$1.04	$0.75 – $19.98
Normal	$0.31	$0.09 – $14.99

The same card, different print: $1.04 vs $0.31 — a 3.4× spread. Check which variant a listing actually is before you judge the price.

Cardmarket (EU)

Metric	EUR
Trend	€0.21
Avg 1-day	€0.18
Avg 7-day	€0.14
Avg 30-day	€0.20
Low	€0.02

FAQ

How much is Professor's Letter (BREAKthrough #146) worth?

As of our 2026-08-07 data, Professor's Letter from BREAKthrough is worth about $1.04 (TCGplayer US market) and around €0.23 (Cardmarket EU). Prices move constantly — check the live links before buying or selling.

Is Professor's Letter rare?

Its rarity is listed as Uncommon and it ranks #79 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 $189.

Is Professor's Letter's price going up or down?

On the Cardmarket (EU) trend it's +50% over 7 days, +5% over 30 days. That's an early momentum signal, not a guarantee — collectible prices are volatile and can reverse quickly.

Where can I check Professor's Letter's live price?

See the current TCGplayer (US) market price here: Professor's Letter on TCGplayer ↗.