Collecting Works on Paper

"Works on paper" gathers together drawings, watercolours, gouaches, pastels and printed impressions. What they share is a support that is light, absorbent, chemically reactive and, in the right conditions, capable of surviving five hundred years.

Unique works and multiples

The first distinction is between a unique work — a drawing or watercolour — and a printed impression, of which others exist.

For unique works the questions are those of any work of art: attribution, date, subject, condition, provenance.

For prints, an additional set applies. Which state is this, in a sequence where the artist altered the plate between printings? Is this a lifetime impression or a later one from a reworked plate? Was it printed by the artist, in a documented edition, or posthumously? Is it a restrike from a surviving plate long after the artist's death, which is a legitimate object of much lower value? For most significant printmakers there is a catalogue raisonné that answers these questions, and it should be consulted.

Reading the sheet

The paper carries evidence, and looking at it is half the discipline.

Watermarks, visible when the sheet is held to a diffuse light, can identify the mill and often the decade of manufacture. A watermark inconsistent with the purported date is decisive.

Chain and laid lines in handmade paper indicate the mould; wove paper appears from the later eighteenth century, so its presence places a sheet after that date.

The platemark — the impression left by the edge of an intaglio plate — should be present and unbroken on an etching or engraving. Its absence suggests trimming, or a reproduction.

Margins matter commercially. A full sheet with generous margins is worth substantially more than the same image trimmed to the platemark.

The verso carries collectors' marks, stamps, inscriptions and dealers' notes, and these are provenance.

Condition, which governs value

Paper records everything that has happened to it.

Light damage is the most common and the least reversible: overall fading, a darkened band where a mount has protected the edges, and a general dulling of watercolour pigments, some of which are fugitive.

Foxing — brown spotting from damp and impurities — is very common and can sometimes be reduced by a conservator.

Mount-burn appears as a brown line following the window of an acidic mount.

Laid down means the sheet has been adhered to a secondary support, which conceals the verso, restricts treatment and reduces value, sometimes considerably.

Tape stains, tears, creases, cockling and losses are all disclosable and all affect the figure.

Look at every sheet in raking light and, where possible, in transmitted light. Both reveal what direct light conceals.

Attribution

Drawings are frequently unsigned, and attribution rests on connoisseurship supported by technical evidence. Catalogue language reflects degrees of confidence, and the conventions are meaningful: the artist's full name asserts autograph work; "attributed to" indicates probable but not certain authorship; "circle of", "studio of", "follower of" and "after" each denote a greater distance. Read these words as the careful statements they are.

Framing and display

Frame with a conservator's materials — acid-free mount board, hinges of Japanese paper and starch paste, never adhesive tape, and a spacer keeping the sheet off the glazing. Use ultraviolet-filtering glazing, and keep light levels low.

Best practice is to display works on paper for limited periods and to rest them in dark storage between. A collection displayed permanently in daylight will be visibly diminished within a generation. See [preserving works on paper](/guides/preserving-works-on-paper).