It went through with no issues. Since they do sell through Amazon here in the US I wonder if they are just using them for fulfillment here. Would cut down on a lot of work for them in terms of logistics.
That previous picture you posted, which shows delivery information to a PO BOX, is that an image taken from their official online store or from the Amazon link below?
Yeah, it works. I can see different Keystone products on the page.