Steganography

Steganography

C004/6960 Rights Managed

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Credit: SCIENCE SOURCE/SCIENCE PHOTO LIBRARY

Caption: A letter shown under UV light reveals a hidden message; historic image.

Release details: Model release not required. Property release not required.

Keywords: analysis, analyze, bw, document, espionage, evidence, forensic, forensics, handwriting, hidden, hide, hiding, historic, historical, history, invisbile writing, invisible ink, letter, secret, secret writing, spy, steganography, ultra violet, ultra-violet, ultraviolet, ultraviolet light, uv, write, writing

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