Holofile
Professor's Letter 146/162 BREAKthrough

BREAKTHROUGH

Professor's Letter 146/162

Professor's Letter is card 146/162 in BREAKthrough (BKT), a XY set, released on November 4, 2015. It’s an Uncommon illustrated by 5ban Graphics. It comes in 2 printings: Normal and Reverse Holo. A Near Mint Normal copy has a market price of $0.32 as of October 17, 2026, down 3% over 30 days.

Market price · Near Mint · Normal

$0.32−3% in 30 days

Jul 19, 2026 · $0.30Low $0.30 · High $0.34Oct 17, 2026 · $0.32

As of October 17, 2026. Prices are estimates from third-party market data and are not offers to buy or sell. Holo10 in the Holofile app adds 6-month, 1-year and all-time charts.

Number
146/162
Rarity
Uncommon
Released
November 4, 2015

Printings and prices

Normal

Ungraded
ConditionMarket30 days
Near Mint$0.32−3%
Lightly Played$0.25−4%
Moderately Played$0.200%
Heavily Played$0.150%
Damaged$0.21−16%
Graded
GradeMarket30 days
CGC 6.5$39.990%

Reverse Holo

Ungraded
ConditionMarket30 days
Near Mint$0.95−2%
Lightly Played$0.99−5%
Moderately Played$0.700%
Heavily Played$0.75−37%
Damaged$0.640%
Graded
GradeMarket30 days
PSA 6$8.000%

Market prices as of October 17, 2026: in US dollars unless marked. Prices are estimates from third-party market data and are not offers to buy or sell.