What is the starting value for this card?

The ungraded version of Professor's Letter #123 from Pokémon Xy is currently valued at $0.

How much is a perfect PSA 10 copy worth?

A PSA 10 graded copy of Professor's Letter #123 sells for $33.

Is there a noticeable price difference between a Grade 9 and ungraded?

Yes, a Grade 9 copy is valued at $12, showing a clear increase in value over the ungraded condition.

Professor's Letter #123 — Pokémon Xy Card Value

Pokémon Xy

What the Professor's Letter #123 card from Pokémon Xy is worth — ungraded and graded (PSA 10).

Professor's Letter #123 value — Ungraded $0 · Grade 9 $12 · PSA 10 $33. Prices updated July 2026.

Set · Pokémon XyGame · Pokémon

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Value by grade

$12

Grade 9

2.8×

$33

PSA 10

Real sold prices per grade — the PSA 10 premium on this card is 2.8× raw.

Complete-in-box price history

Monthly CIB value, based on sold comps.

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Which version do you have?

If you simply want the Professor's Letter #123, buy the Standard version for $0. The League ($6) and Reverse Holo ($2) versions offer premium appeal through higher perceived scarcity or special treatment, though the difference in value is marginal. Collectors focused on investment or display should pay for the League or Reverse Holo, while casual owners should stick to the Standard version to save money.

VersionUsedNewBuy

LeagueProfessor's Letter [League] #123 — Pokémon Xy Card Value$6.23—eBay ↗

Reverse HoloProfessor's Letter [Reverse Holo] #123 — Pokémon Xy Card Value$2.1—eBay ↗

Standard— this pageProfessor's Letter #123 — Pokémon Xy Card Value$0.4$33.06eBay ↗

JunkPal AI· resale insightanalyzing sold comps…

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Price data verified against · 1

PriceCharting — Professor's Letter #123 (Pokémon Xy)$0.4

Item details

Brand: Pokémon
Set: Pokémon Xy
Game: Pokémon

Professor's Letter #123 (Pokémon Xy) card value

An ungraded Professor's Letter #123 from Pokémon Xy averages around $0. A Grade 9 copy runs about $12, and a PSA 10 gem-mint commands $33.

What drives the price

Centering, corners, edges, and surface decide a card's grade — and the grade decides the price. The jump from raw to PSA 10 can be 5–20×, so condition is everything. Holos, first editions, and shadowless prints carry the biggest premiums.

Price guide

Sold values by grade vs. what sellers ask today

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Condition	Value	Based on
Ungraded	$0	eBay sold comps
Grade 9	$12	eBay sold comps
PSA 10	$33	eBay sold comps

Frequently asked questions

What is the starting value for this card?: The ungraded version of Professor's Letter #123 from Pokémon Xy is currently valued at $0.
How much is a perfect PSA 10 copy worth?: A PSA 10 graded copy of Professor's Letter #123 sells for $33.
Is there a noticeable price difference between a Grade 9 and ungraded?: Yes, a Grade 9 copy is valued at $12, showing a clear increase in value over the ungraded condition.