hologram, colorized, intaglio printing, encoding, smudge, banknote, halftones, microdot, ciphertext, chroma, micr, blotch, graininess, prints, tint, fingerprint, overprint, smeary, holograph, gloss, metadata, obverse, interlaced scanning, vignetting, filmstrip, selvage, micrograph, numeral, duplicates, undelete, daguerreotype, hexadecimal, machine readable, superimposition, filename, copyable, fractional currency, inlay, inkwell, speckles, grayscale, font, fiche, typeset, redaction, xerographic, metamerism, discs, gradations, nsf, roundel, image scanner, inkpad, bitmap, overlays, labels, lettering, imprints, cmyk, face recognition, markings, cameral, decoder, retinal scanning, counterfeiting, plaintext, thumbprint, gif, grease pencil, stamp, identifiers, arccos, tags, counterfeiters, caret, jpeg, anaglyph, colouration, jaggedness, stills, wallpaper, digital, checkbox, counterfoil, signature, stain, image, blemishes, superscript, embossing, dolby, ambrotype, pinhole camera, copyright, magnetic stripe, glossiness, micrographics, logo, duotone, chrominance, adipose fin, matcher, watermarks, type, mark, pre, url, viz, ids, key, place, token, denomination, i.e., recipe, t., title, certificate, cf, file, mantra, computed, expected, overload, passed, postpartum, 67, 70, afebrile, angiographic, antecedent, antemortem, ascertainable, assignable, awful, baseline, bayesian, before, birthing, bronze, burst

high-water mark, low-water mark

laid paper

line, marker, marking

water line