I ship knives from Berlin to the USA pretty often, and the delivery time is usually just about 10-16 days give or take for airmail packages shipped "economy."
UPS, FEd Ex, TNT and all the rest of the private carrier REFUSE to pick up any shipment containing "knives, cutting tools, cutlery, sharp stuff, etc" for shipment from Within Europe. Yes I know they ship knives and guns from pikeup points in the USA everyday of the week. But not from pickup points within Europe.
I mean they won't even come around and talk about it they just say on the phone "No." And I've talked to "the Boss" and whatever. Same story. And of course you can label the package as "women's underwear" but if the customs man opens it to see if it's his wife's size - or his ... wink wink - then you gots a problem.
But kniock wood, the German Post has never lost or damaged any knife I've shipped.