Question 1

What is the current market value of Professor's Letter #146?

Accepted Answer

For Professor's Letter in BREAKthrough, the current reference price is $0.24. Compared with last week, pricing is 5.7% higher. It now sits 2.6% above its 30-day average of $0.23. Its 90-day trading band runs between $0.22 and $0.29, producing a 29% range and moderate-volatility behavior. This version is categorized as Uncommon.

Question 2

Is Professor's Letter #146 a good investment or collectible?

Accepted Answer

Pricing context for collectors: Weekly movement is positive (5.7%), and value remains materially above its recent low (9%). The 90-day range spans $0.22 to $0.29 (29% spread), which indicates moderate-volatility behavior. Relative to the 30-day baseline ($0.23), pricing is near equilibrium. This sample does not include a stable graded benchmark, which means active listings remain the best condition-adjusted reference.

Question 3

What is Professor's Letter #146 and what makes it special?

Accepted Answer

Professor's Letter is a BREAKthrough card from the 2015 release window. Core profile: Its card type is Trainer. The rarity label is Uncommon. This print is categorized under the Item subtype. Card rules text: 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

Professor's Letter sits within a broader pool of Professor's variants that can be compared by set, rarity, and price. The current sample spans 2 comparable cards from 2 sets. Observed alternatives run from $0.29 to $9.01 (3007% spread). The current card sits -95% versus the sampled alternative average of $4.65. Notable alternatives include Professor's Letter #146a (BREAKthrough) at $9.01 and Professor's Letter #123 (XY) at $0.29.

Question 5

What set is Professor's Letter #146 from, and when was it released?

Accepted Answer

BREAKthrough was released in 2015. BREAKthrough is grouped under the XY era. Set size is 165 cards, which categorizes BREAKthrough as mid-size. As of 2026, the set is 11 years old and now falls into an established back-catalog period. In the BREAKthrough checklist, Professor's Letter occupies position #146 as a Uncommon card.

Professor's Letter #146

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All Professor's Letter cards

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