Question 1

What is the current market value of Professor's Letter #123?

Accepted Answer

Current market pricing for Professor's Letter (XY) sits near $0.31. Over the last 7 days it gained 24.0%. Current value is elevated versus the 30-day mean ($0.28), by 11.4%. In the past 90 days, observed prices ranged from $0.19 to $0.35 (52% spread), a high-volatility profile. This version is categorized as Uncommon.

Question 2

Is Professor's Letter #123 a good investment or collectible?

Accepted Answer

Current valuation lens: Short-term momentum is positive (24.0% over 7 days), while the card sits 63% above its 90-day low. With a 52% 90-day spread ($0.19-$0.35), this card currently tracks as high-volatility. Versus the 30-day average ($0.28), the card is trading 11.4% higher. Without a consistent graded comp in the current snapshot, live listings are still required for reliable condition-based valuation.

Question 3

What is Professor's Letter #123 and what makes it special?

Accepted Answer

In 2014, XY introduced this print of Professor's Letter. Its card type is Trainer. The rarity label is Uncommon. Card subtype classification is Item. The card text reads: Search your deck for up to 2 basic Energy cards, reveal them, and put them into your hand. Shuffle your deck afterward. You may play as many Item cards as you like during your turn (before your attack). Attack names are not present in the current metadata snapshot. Uncommon-tier prints usually balance accessibility with moderate collector demand.

Question 4

What are the alternative Professor's cards available?

Accepted Answer

A wider Professor's checklist helps contextualize this specific Professor's Letter print. The current sample spans 2 comparable cards from 1 set. Observed alternatives run from $0.29 to $0.29 (0% spread). The current card sits +7% versus the sampled alternative average of $0.29. Notable alternatives include Professor's Letter #146 (BREAKthrough) at $0.29 and Professor's Letter #146a (BREAKthrough) at $0.29.

Question 5

What set is Professor's Letter #123 from, and when was it released?

Accepted Answer

Release year for XY is 2014. Series classification for this set is XY. With 146 listed cards, this is a mid-size set by modern TCG standards. As of 2026, the set is 12 years old and now falls into an established back-catalog period. Professor's Letter (#123) is one of the Uncommon prints in this expansion.

Professor's Letter #123

Price history

All Professor's Letter cards

Card details