Guide
Three different kinds of image evidence
Not every picture attached to a product carries the same weight. Before you judge anything from a photo, it helps to know which of three classes it belongs to, because each one answers a different question — and one of them is almost always missing.
1. Source catalogue image
This is the seller's own product photo, taken to sell the item. It shows the intended colourway, the styling, and the shot the seller wants you to see. It is useful for identifying which product a listing refers to and comparing styles, and that is all. A catalogue image is a marketing photo, not evidence about the specific unit anyone will receive.
On this site, every reference item carries a source catalogue image, labelled Source image. It comes from the seller CDN the source listing itself uses.
2. QC photo on the listing
A quality-check photo is taken after an item is bought, before it is forwarded, to record its condition. Some source listings display a set of these. They are more informative than a catalogue shot because they show a real, physical unit under ordinary light: stitching, print alignment, obvious flaws, the label text if it is legible.
They still come with a caveat that matters. A QC photo shows a unit from some order — not necessarily the one you would receive, and not necessarily from your size or colour. Treat it as a representative sample of that batch, not a preview of your parcel.
Of the 200 reference items here, 176 have QC photos visible on the source listing and are labelled QC photos. The remaining 24 have none, and say so plainly rather than borrowing a catalogue image to fill the gap.
3. Agent-attributed warehouse photo
This is the strongest claim you can make about a photo: that a named agent — say ACBuy, Kakobuy or Superbuy — photographed this unit in its warehouse, for this order. To make that claim honestly you need to know who took the picture and for which order. A file name, a watermark that anyone can copy, or the visual style of a photo do not establish it.
That is the honest version of an "ACBuy QC" reference: it is a guide to reading the evidence that actually exists, not a gallery of warehouse photos we cannot stand behind.
Why the distinction changes what you conclude
If you read a source catalogue image as if it were a QC photo, you will trust a marketing shot. If you read an unattributed QC photo as if it were an agent warehouse photo of your order, you will trust a stranger's parcel as your own. Keeping the three apart is the whole skill.