Compare: Professor's Letter

Logged on a public record

Same name, different sleeves. Signal compares each row against the reference printing's recent market price.

By printing

signal vs primary
PrintingMarketListed midDealer buy
Normalprimary
$0.32
$0.30-6%
—

Each price is compared against the primary printing's recent market price.

Same name across sets

SetPrimary printingMarketSignal vs reference
Professor's LetterXy Base SetFoil$1.85+478%
Professor's LetterXy Base SetNormal$0.33in range
Professor's LetterXy Base SetFoil$1.85+478%

Reference: Xy Breakthrough · Normal $0.32.