The negative is the original and nobody frames one
A strip of colour negatives, held to the light, inverted and orange with printed frame numbers, is the actual object that was in the camera.

Four frames, inverted. Orange base, dark sprocket holes running down both sides, tiny numbers printed along the edge: 21A, 22, 22A, 23.
Every photograph anyone has ever framed is a copy. This is the thing the copies were made from.
What is actually printed here?
The strip as it came out of the camera, not a photograph of it.
A negative reverses light to dark and shifts every colour to its opposite, so what you're looking at is not a version of the picture — it's the object the picture was made from, held up so the light comes through it. Nobody hangs one on a wall. Almost nobody has ever seen their own negatives enlarged, because the whole point of a negative was always to make something else.
Why is the base orange?
It's a colour mask, built into the film on purpose, not a fault of processing.
Colour negative film carries dye layers that don't record light with perfectly clean colour separation, and the manufacturer corrects for that in advance by tinting the whole base orange — every negative comes out of the lab that colour before it's even developed. It's why a strip held to a window looks nothing like the print that came from it, and why the effect can't be repeated from a print: it's a property of the negative itself.
Why do skin tones look wrong when inverted?
Because inversion doesn't just swap light and dark, it swaps every colour to its complement.
A face that would read warm in a normal print goes cyan and teal on the negative, hair goes pale where it should be dark, and a red shirt turns a flat green-blue. None of it looks like a person until it's inverted back — which is exactly why almost nobody has looked at their own negatives directly. The print exists so that step never has to happen in front of you.
What do the frame numbers mean?
A real numbering system, printed by the film manufacturer, not added later.
Every frame on a roll gets a number along the edge, and between two whole numbers there's often a half — 21A, then 22, then 22A — marking a frame shot slightly off the standard spacing, usually because the camera advanced a little short or the loader wound it by hand. It's the same kind of detail as a real number set as a design in its own right: a sequence nobody invented, printed exactly as the lab left it.
Is a negative actually unique?
Genuinely, in a way almost nothing else photographic is.
A print can be reprinted any number of times from the same negative, a scan can be duplicated without loss, a digital file copies perfectly. The strip itself was in the camera for one afternoon and was never anywhere else. Lose it and every print made from it becomes the only remaining evidence; keep it and it outranks every copy that was ever made from it.
Does this only work for old film?
It's specific to actual negatives — a phone photo of a photo doesn't produce one.
Digital cameras don't produce a negative at all, and a photograph of a printed picture is a copy of a copy, not the source object. This only works with an actual strip: a real roll, still in its orange, still carrying the lab's numbers.
Whose negatives can I use?
Only ones you took, or ones somebody handed you along with the rights to them.
A strip of negatives is unambiguously the work of whoever loaded the camera and pressed the shutter. If that's you, or if a relative left you a box of strips along with the family's rest of the archive, it's yours to print. A negative you didn't shoot and don't have permission to use is somebody else's original, not a texture.
Does it print well?
Better than a positive image would, because the whole point is the inversion.
Flat colour with hard edges is what survives on fabric, and a negative strip is already exactly that — solid orange, dark sprockets, small printed numerals, no soft gradient to lose. Near-black, charcoal or a deep navy garment reads best, because the orange base needs a dark ground behind it to glow the way it does held to a window. One or two inks is enough; the strip does the rest of the work.
How do I get one made?
Describe the strip at JustOG — how many frames, whether the numbers should be legible, and whether it's shown held up or laid flat. Pick a direction, drag the crop frame, see it composited on the real garment, and it's made to order and shipped.
Designs other people have published are in the shop.
Four frames, and the one thing every print in the family ever came from.