I have just listed a couple of Comics
64404133
64404213

Both these have the same barcode which I assume is based on an ISSN
I listed the first one using List Similar from
63998463
whose barcode is unique to the issue,
& when first listed allowed me to add a stock photo,
& the second one from List Similar from the first one.

Both of these listings still show the old unrelated stock photo on the listing form.
I don't believe they show on the site other than to me the seller on that form, so it's only a niggle, even so it shouldn't be happening.
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