Shipping physical, clearly Bitcoin-related products (and other goods, too) is always an area of concern.
Price-wise though, I just checked and their markup is actually not too high, considering the extra work for the milling, tapping and engraving.
It's much less dangerous than buying hardware wallets, since this is just a piece of metal and there is no direct connection with Bitcoin.
You could probably ask them to write on declaration paper it's just a metal plate for home use.
It would be nice to know foggoat's opinion on this matter and whether they can indicate to their customers on declaration paper a minimum of information about the content, of course, without telling what is inside. Also, it would be better not to indicate the name / logo of the manufacturer on the package / declaration paper and this applies not only to the Coinplate company. What do you say to that, foggoat? The name of your company leaves no doubt what is inside the package. This is not only for you, but for most of your competitors too.