[mothered]

So the items are due delivery soon, though there's an important bit that I forgot to mention. The paper will get to another city and only then to me (reship), so I think it might be dispatched by a different warehouse. Is the wrong item SE still good to go or would that be a problem?

My earlier posts relate to the receiving/Inwards goods department cross-checking returns so If It's not the case with yourself, the wrong Item may still work.

First see how the carrier verifies the delivery. If It's only a signature (or even better If It's left at your doorstep), the DNA can be used.