The restorer worked under a loupe. The engraving was seventeenth century, unsigned, the kind of thing that shows up in estate sales between the landscape watercolors and the magazine clippings someone thought were valuable.
Under magnification the hatching was extraordinary. Four distinct layers of cross-hatching, each at a different angle, building up the darkness of a stormy sky over a harbor. In the lightest areas — the reflection off a warehouse roof, the foam on a breaking wave — the paper was simply untouched. The light existed only where the engraver hadn't gone.
She started cleaning the margins with a soft eraser, lifting a century of grime. Under the dirt there were pencil marks. Not the engraver's — these were later, lighter, written in a different hand. Someone had annotated the print.
At first she thought it was a collector's notation. Provenance or catalog number. But when she read the words under the loupe she put down her tools and sat back.
The annotations described the hatching. Not the scene — the technique. Each note identified the angle, the spacing, the weight of a specific layer of strokes. "Primary: 27°, 4mm." "Secondary: begins here, 65°." "Third layer only where the first two insufficient."
Someone had reverse-engineered the engraving. Had sat with a loupe of their own and decoded the system stroke by stroke.
The notes continued into the image area, written so finely they disappeared into the hatching itself. She found one in the darkest part of the sky: "Here all four layers present. Still the darkness is not complete. The paper participates."
She could erase the annotations. The pencil would lift cleanly. The engraving would return to what it had been: a harbor in a storm, light on water, the kind of anonymous competence museums keep in their print drawers.
But whoever had written the notes had seen something the cleaning would undo. Not the scene — the making. They had watched the engraver's hand move through the image and written down what they found.
She left the annotations. Filed the engraving under "annotated," which was technically accurate and said nothing about what the annotations contained. The catalog entry read: Harbor scene, cross-hatched, seventeenth century, unsigned. Pencil notations in margin and image area, later hand. Condition: good, uncleaned.
The next researcher who pulled it from the drawer would find both: the engraving and the reading. They would have to decide what to do with the second one.