Just updating this thread to summarise my details.
I sold an iPhone (in original packaging) on eBay for £700.
I purchased shipping with InPost via eBay Packlink on 26th October 2021
I did not pay for "enhanced" insurance.
I dropped off the parcel (Boxed iPhone within brown "postage" box) at an InPost locker on 26th October 2021.
The Buyer told me (and thankfully sent me a lot of pictures) that the iPhone itself was missing from its original box, but that there was no obvious signs of tampering.
I contacted Packlink claiming for £700, after some back-and-forths they confirmed with me that their investigations disco