Original document
GPT Image 2 · en
A cyanotype photogram of three fern fronds arranged as a herbarium specimen on heavy watercolor paper. Deep Prussian blue ground where UV struck the emulsion, ghost-white silhouettes where the fronds blocked it, with soft bleeding halos along every pinnule edge. The brush-coated emulsion leaves visible streaks and a ragged dark border; faint bronzing and pale wash-out patches record the water rinse. A handwritten pencil label sits in the lower right corner. Flat even lighting, no cast shadows, sharp botanical detail.
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