Professor's Letter
SetBREAKthrough
Year2015
RarityUncommon
Number#146
Ungraded
$1.75
15 sales · last Jun 29, 2026
CGC Pristine 10
$23.70
1 sales · last Apr 27, 2026
Professor's Letter price guide
Professor's Letter is a collectible Pokémon card from the BREAKthrough expansion (2015). Setlot tracks 16 recorded sales for this card across 2 grade tiers, 14 of them in the last 90 days. CGC Pristine 10 copies have a 90-day median of $23.70. Ungraded copies currently trade around $1.75. The top grade commands 14× the ungraded price — grading meaningfully changes what this card is worth. The highest sale on record is $39.99 (Ungraded, Jun 12, 2026). 48 listings are live right now with asks from $0.99.
Price history
Grading premium
Median graded price vs. the ungraded copy ($1.75) — a rough read on whether grading pays off.
CGC Pristine 10
14×
$23.70
Live listings
Search on eBay ↗Lowest asks per grade. Older listings may have ended — “seen” is when we last confirmed each one.
| Grade | Listing | Marketplace | Seen | Price |
|---|---|---|---|---|
| Ungraded 48 tracked | XY - BREAKthrough #146/162 Professor's Letter quickflipzresale | eBay | 1mo ago | $0.99↗ |
| Professor's Letter XY - BREAKthrough 146/162 NM 5ban Graphics oofmypocket | eBay | 1mo ago |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 13 | $1.75 | $0.99 – $39.99 |
| CGC Pristine 10 | 1 | $23.70 | $23.70 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jun 29, 2026 | Ungraded | Professor's Letter - 146/162 - Uncommon - Lightly Played - BREAKThrough↗ | eBay | $1.99 |
| Jun 22, 2026 | Ungraded | Professor's Letter 146/162 Uncommon BREAKthrough Pokemon LP↗ | eBay | $2.01 |
| Jun 17, 2026 | Ungraded | POKEMON Trading Card Trainer Professor's Letter 146/162↗ | eBay | $1.75 |
| Jun 14, 2026 | Ungraded | Professor's Letter 146/162 Uncommon BREAKthrough Pokemon Damaged↗ | eBay |
