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Professor's Letter 146a — BREAKthrough

Professor's Letter is card 146a from BREAKthrough (XY, 2015), a Uncommon Trainer card illustrated by Yoshinobu Saito.

Professor's Letter price

Cardmarket (EU) · trend
€0.22
30-day average €0.25 · 7-day €0.16 · from €0.02
Updated 12 October 2026

Prices: TCGplayer market (US, $) and Cardmarket trend (EU, €) via TCGdex open data, each shown with the date it was last updated. Indicative only — UK sold prices on eBay are often the best guide.

Card details

Set
BREAKthrough
Number
146a
Rarity
Uncommon
Card type
Trainer · Item
Illustrator
Yoshinobu Saito
Released
4 November 2015

About this card

Professor's Letter 146a is card 146a in BREAKthrough (162 numbered cards, plus 3 secret rares). It's one of 49 Uncommon cards in the set — 30% of 165. There are 3 English cards named “Professor's Letter”. This is the 3rd; the first was in XY (2014). Yoshinobu Saito illustrated this card only in BREAKthrough and 62 English cards in total.

It isn't legal in the 2026–27 Standard format, so demand comes mainly from collectors.

More: full BREAKthrough list

Is Professor's Letter 146a worth anything?

Copies of this card currently trade at around €0.22 on Cardmarket, assuming near-mint condition. The price you'll get in the UK depends mostly on condition: check the corners, edges and surface, and whether the artwork is well centred. Damaged cards sell for much less, while professionally graded copies in top condition can sell for far more.

To be sure you have the right card, match the set symbol and the number 146a printed at the bottom of your card. Then compare completed eBay UK listings — sold prices, not asking prices — for copies in similar condition.

Questions people ask

What set is Professor's Letter 146a from?

BREAKthrough, released 4 November 2015 in the XY series. Look for the set symbol next to the number 146a.

How rare is Professor's Letter 146a?

It's an Uncommon — one of 49 cards at that rarity in BREAKthrough.

Who illustrated Professor's Letter 146a?

Yoshinobu Saito, who has 62 English Pokémon cards credited.

How many Professor's Letter cards are there?

3 in English, from XY (2014) to BREAKthrough (2015).

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