The resolution check that matters most

Pixelation is the failure people fear, and it is easy to test for. A print needs a source file of at least 300 DPI at the size it will be produced. For a 16x20 inch print that means roughly 4800x6000 pixels. Anything below about 150 DPI at final size will soften on close inspection, and Potter's fine ink linework is exactly where softening shows first. Her outlines are thin and deliberate, so a low resolution scan turns crisp hatching into gray blur.

The second risk is the source itself. Many low cost reproductions are scanned from old printed books rather than from the original watercolors, which compresses her palette and darkens the greens. A seller who works from a high resolution scan of the original art will usually say so. If the listing is silent on resolution, ask. A seller who cannot state the pixel dimensions of their source file is telling you something. When you are ready to compare formats, it helps to read how framed and canvas editions differ before you commit.

Materials that separate good prints from cheap ones

Paper weight and ink type do most of the remaining work. On paper, look for a weight of 200 gsm or above, which resists curling in the frame. On canvas, a heavier weave around 350 to 400 gsm holds detail better than a thin, glossy canvas, and Potter's flat washes of color suit a matte or satin finish rather than a high gloss one. Gloss exaggerates any banding in the scan and throws glare across the pale areas of her work.

Color accuracy is the last check, and the honest one. Potter mixed her own palette, and the greens in particular drift easily in reproduction. A good edition is proofed against the original rather than against a book plate. Ask whether the seller color matches to the source artwork. For a concrete example of what a well made edition looks like in practice, the framed poster of 'No More Twist' shows how her linework survives the process. If you are weighing formats for a nursery or a small room, sizing guidance for small bedrooms covers the practical fit.

A quick checklist before you order

Run through five questions before paying. What is the source resolution in pixels, not just the word 'high quality'. What is the paper or canvas weight. Is the finish matte, satin or gloss. Is the color matched to the original artwork. And what does the seller say about returns if the print arrives looking wrong. A confident seller answers all five without prompting.

Price is a weak signal on its own. Some inexpensive editions are made from excellent scans, and some expensive ones are not. The checklist above tells you more than the price tag does. If a listing gives you none of this information, treat that as the answer. For a wider view of how the two formats compare, the framed versus canvas comparison sets out the tradeoffs plainly.