Here is part of what the Audiogon Insurance webpage says:
And by the way: good luck getting the delivery person to wait while you open the box.
- Loss, damage, or non-arrival of any package or its contents which (a) is addressed, wrapped, or packed insufficiently, incorrectly, or contrary to carrier's packaging requirements; or (b) bears a descriptive label or packaging which tends to describe nature of contents EXCEPT if shipped via Parcel Post and required by Postal Laws and Regulations.
And by the way: good luck getting the delivery person to wait while you open the box.