Mewtwo-EX
$208.37Details
Professor's Letter – BREAKthrough #146
BREAKthrough#146
Uncommon
Professor's Letter #146 is an Uncommon card from the BREAKthrough expansion. This page tracks this exact printing, not every Professor's Letter card.
Current market price
$0.31
-3.1%
7d
0.0%
30d
NORMAL · TCGPLAYER · 2026-10-21
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01 · Price history
164 snapshots
Full price history.
Daily market-price snapshots — every data point is a dated price reading, never an estimate.
Professor's Letter #146 card details.
Professor's Letter #146 is an Uncommon Trainer card from BREAKthrough, released November 2015. Its current tracked market price is $0.31 for the Normal variant, updated October 21, 2026.
Since May 8, 2026, the BREAKthrough printing of Professor's Letter #146 has ranged from a low of $0.25 (May 9, 2026) to a high of $0.39 (July 5, 2026).
That is a +19.2% move from $0.26 to today's $0.31, 21% below the tracked high.
Currently ranked #13,734 by market price across tracked Pokémon cards as of October 21, 2026.
Set
Card number
#146
Released
November 2015
Rarity
Uncommon
Supertype
Trainer
Series
XY
Market source
TCGplayer market price · Normal · Updated October 21, 2026
02 · Other printings
3 printings
Every Professor's Letter printing.
Professor's Letter has 3 tracked English printings, including this BREAKthrough #146 version. At $0.31 it ranks #2 of 2 priced printings; the most valuable is XY #123 at $0.32.
03 · Variants
2 variants
Different variants, different prices.
The available TCGCSV variants for this exact printing can have different price bands. The selected variant's market value is the one used across rankings and summaries.
| Variant | Low | Mid | Market | High |
|---|---|---|---|---|
| Normalcurrent | $0.01 | $0.31 | $0.31 | $14.99 |
| Reverse Holofoil | $0.50 | $1.07 | $0.95 | $19.74 |
04 · Related cards
From the same set
More from BREAKthrough.
Highest-priced cards from the same expansion, ordered by current market price.
06 · Reference desk
Professor's Letter, explained.
Everything about this card — the price, the variants, and how we track it.
How has the Professor's Letter BREAKthrough price changed?
Since May 8, 2026, the BREAKthrough printing of Professor's Letter #146 has ranged from a low of $0.25 (May 9, 2026) to a high of $0.39 (July 5, 2026). That is a +19.2% move from $0.26 to today's $0.31, 21% below the tracked high.
Which Professor's Letter printing is worth the most?
Professor's Letter has 3 tracked English printings, including this BREAKthrough #146 version. At $0.31 it ranks #2 of 2 priced printings; the most valuable is XY #123 at $0.32.
Is Professor's Letter from BREAKthrough a good investment?
We track prices, not provide investment advice. No collectors are chasing this printing yet; the price history above shows how its market has moved.
How is the market price determined?
Prices are refreshed daily from TCGplayer market-price data via TCGCSV. Each displayed value applies to the tracked price variant named on the card detail page. It is a market reference, not a guaranteed sale price; condition, grading, location, fees, and timing can change an individual sale. This card's current figure reflects the Normal variant.
Where can I buy Professor's Letter?
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Normal
$0
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