 The plot thickens
While it may not count as a delivery note, it turns out that what I thought was a mailing service is the shipping-end of an entirely different web site, and some cryptic symbols on the packet are the product code that *that* site uses to identify the *wrong* item. So I do have paperwork for the right item being ordered and the wrong one being delivered, but there's no obvious connection between the two.
It looks like the original company could not complete the order and made a separate order themselves for something that looked like it would do the job and specified me as the delivery address!
I have written to the second company, that looks a lot more reputable than the first, to see if this is what happened. I will contact the Mastercard people again to see if what I have counts as a delivery note, but it looks like my phrasing of the issue as "one company failed to deliver: in other news, the Free Gift Fairy sent me something" actually holds water. I just now know the identity of the Free Gift Fairy.  |