United States 1935D - 1 Dollar Silver Certificate Butterfly Fold Error (Friedberg 1613W, IF Block)
From a technical and educational standpoint, butterfly errors are invaluable for demonstrating how mechanical stress, humidity, and press speed interact during the intaglio process. This particular example is especially striking for its perfectly preserved fold tab extending beyond the note’s frame, showing exactly how the paper folded during production. For collectors, such notes are more than curiosities-they are tangible evidence of how human and mechanical precision occasionally diverge, producing a one-of-a-kind anomaly that transforms a common note into a specimen of industrial history. Read more →
United StatesError Note19351 DollarPMG 58 EPQ Choice About Uncirculated United StatesSilver CertificateError NoteButterfly Fold ErrorFriedberg 1613W1935D Series1935Clark–Snyder SignaturesBlue SealPMG 58 EPQChoice About UncirculatedBureau of Engraving and PrintingPrinting ErrorProduction AnomalyUnited States Currency1 Dollar
